diff --git a/01-intro-shell.html b/01-intro-shell.html
index 0b107916..182f7e28 100644
--- a/01-intro-shell.html
+++ b/01-intro-shell.html
@@ -413,7 +413,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
   "identifier": "https://librarycarpentry.github.io/lc-shell/01-intro-shell.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-08",
-  "datePublished": "2023-08-15"
+  "datePublished": "2023-08-22"
 }
 
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diff --git a/02-navigating-the-filesystem.html b/02-navigating-the-filesystem.html
index 257e6e10..e7da1528 100644
--- a/02-navigating-the-filesystem.html
+++ b/02-navigating-the-filesystem.html
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   Answer
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb14">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -576,7 +576,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Answer
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>To order files in a directory by their filesize, in combination with
 the <code>-l</code> argument:</p>
@@ -664,7 +664,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
   "identifier": "https://librarycarpentry.github.io/lc-shell/02-navigating-the-filesystem.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-08",
-  "datePublished": "2023-08-15"
+  "datePublished": "2023-08-22"
 }
 
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diff --git a/03-working-with-files-and-folders.html b/03-working-with-files-and-folders.html
index d62bd0f2..8979f784 100644
--- a/03-working-with-files-and-folders.html
+++ b/03-working-with-files-and-folders.html
@@ -865,7 +865,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
   "identifier": "https://librarycarpentry.github.io/lc-shell/03-working-with-files-and-folders.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-08",
-  "datePublished": "2023-08-15"
+  "datePublished": "2023-08-22"
 }
 
   </script><script>
diff --git a/04-loops.html b/04-loops.html
index 40a88d7d..3cc34a2d 100644
--- a/04-loops.html
+++ b/04-loops.html
@@ -569,7 +569,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
   "identifier": "https://librarycarpentry.github.io/lc-shell/04-loops.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-08",
-  "datePublished": "2023-08-15"
+  "datePublished": "2023-08-22"
 }
 
   </script><script>
diff --git a/05-counting-mining.html b/05-counting-mining.html
index 1d32eeba..42f075a8 100644
--- a/05-counting-mining.html
+++ b/05-counting-mining.html
@@ -599,7 +599,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>The <code>cat</code> command just outputs whatever it gets as input,
 so you get exactly the same output from</p>
@@ -658,7 +658,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>Here we use the <code>wc</code> command with the <code>-w</code>
 (word) flag on all <code>tsv</code> files, <code>sort</code> them and
@@ -695,7 +695,7 @@ <h4 class="accordion-header" id="headingSolution3">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb29">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -727,7 +727,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb30">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -764,7 +764,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb31">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -799,7 +799,7 @@ <h4 class="accordion-header" id="headingSolution6">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <p>From <code>man wc</code>, you will see that there is a
 <code>-w</code> flag to print the number of words:</p>
@@ -1019,7 +1019,7 @@ <h4 class="accordion-header" id="headingSolution7">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
 <div class="accordion-body">
 <p>Using <code>date --help</code> will show you that the <code>+</code>
 option introduces a date format, where <code>%Y</code>, <code>%m</code>
@@ -1097,7 +1097,7 @@ <h4 class="accordion-header" id="headingSolution8">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb52">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1129,7 +1129,7 @@ <h4 class="accordion-header" id="headingSolution9">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution9" class="accordion-collapse collapse" aria-labelledby="headingSolution9" data-bs-parent="#accordionSolution9">
+<div id="collapseSolution9" class="accordion-collapse collapse" data-bs-parent="#accordionSolution9" aria-labelledby="headingSolution9">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb53">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1161,7 +1161,7 @@ <h4 class="accordion-header" id="headingSolution10">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution10" class="accordion-collapse collapse" aria-labelledby="headingSolution10" data-bs-parent="#accordionSolution10">
+<div id="collapseSolution10" class="accordion-collapse collapse" data-bs-parent="#accordionSolution10" aria-labelledby="headingSolution10">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb54">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1193,7 +1193,7 @@ <h4 class="accordion-header" id="headingSolution11">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution11" class="accordion-collapse collapse" aria-labelledby="headingSolution11" data-bs-parent="#accordionSolution11">
+<div id="collapseSolution11" class="accordion-collapse collapse" data-bs-parent="#accordionSolution11" aria-labelledby="headingSolution11">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb55">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1225,7 +1225,7 @@ <h4 class="accordion-header" id="headingSolution12">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution12" class="accordion-collapse collapse" aria-labelledby="headingSolution12" data-bs-parent="#accordionSolution12">
+<div id="collapseSolution12" class="accordion-collapse collapse" data-bs-parent="#accordionSolution12" aria-labelledby="headingSolution12">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb56">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1258,7 +1258,7 @@ <h4 class="accordion-header" id="headingSolution13">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution13" class="accordion-collapse collapse" aria-labelledby="headingSolution13" data-bs-parent="#accordionSolution13">
+<div id="collapseSolution13" class="accordion-collapse collapse" data-bs-parent="#accordionSolution13" aria-labelledby="headingSolution13">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb57">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1293,7 +1293,7 @@ <h4 class="accordion-header" id="headingSolution14">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution14" class="accordion-collapse collapse" aria-labelledby="headingSolution14" data-bs-parent="#accordionSolution14">
+<div id="collapseSolution14" class="accordion-collapse collapse" data-bs-parent="#accordionSolution14" aria-labelledby="headingSolution14">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb58">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1342,7 +1342,7 @@ <h4 class="accordion-header" id="headingSolution15">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution15" class="accordion-collapse collapse" aria-labelledby="headingSolution15" data-bs-parent="#accordionSolution15">
+<div id="collapseSolution15" class="accordion-collapse collapse" data-bs-parent="#accordionSolution15" aria-labelledby="headingSolution15">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb60">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -1439,7 +1439,7 @@ <h4 class="accordion-header" id="headingSolution16">
   Solutions
   </h4>
 </button>
-<div id="collapseSolution16" class="accordion-collapse collapse" aria-labelledby="headingSolution16" data-bs-parent="#accordionSolution16">
+<div id="collapseSolution16" class="accordion-collapse collapse" data-bs-parent="#accordionSolution16" aria-labelledby="headingSolution16">
 <div class="accordion-body">
 <ol style="list-style-type: lower-alpha"><li><p>Because we are explicitly listing the names after
 <code>in</code>, and those contain no white-space. However, for
@@ -1522,7 +1522,7 @@ <h4 class="accordion-header" id="headingSolution17">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution17" class="accordion-collapse collapse" aria-labelledby="headingSolution17" data-bs-parent="#accordionSolution17">
+<div id="collapseSolution17" class="accordion-collapse collapse" data-bs-parent="#accordionSolution17" aria-labelledby="headingSolution17">
 <div class="accordion-body">
 <p>First, let’s see where our desired columns are:</p>
 <div class="codewrapper sourceCode" id="cb68">
@@ -1625,7 +1625,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
   "identifier": "https://librarycarpentry.github.io/lc-shell/05-counting-mining.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-08",
-  "datePublished": "2023-08-15"
+  "datePublished": "2023-08-22"
 }
 
   </script><script>
diff --git a/06-free-text.html b/06-free-text.html
index 674485d0..85b8e732 100644
--- a/06-free-text.html
+++ b/06-free-text.html
@@ -848,7 +848,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
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   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-08",
-  "datePublished": "2023-08-15"
+  "datePublished": "2023-08-22"
 }
 
   </script><script>
diff --git a/404.html b/404.html
index 5aa92a3b..736252eb 100644
--- a/404.html
+++ b/404.html
@@ -290,8 +290,8 @@ <h1>Page not found</h1>
   "url": "https://librarycarpentry.github.io/lc-shell/404.html",
   "identifier": "https://librarycarpentry.github.io/lc-shell/404.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2023-08-15",
-  "datePublished": "2023-08-15"
+  "dateModified": "2023-08-22",
+  "datePublished": "2023-08-22"
 }
 
   </script><script>
diff --git a/CODE_OF_CONDUCT.html b/CODE_OF_CONDUCT.html
index e3c4e264..906c56f0 100644
--- a/CODE_OF_CONDUCT.html
+++ b/CODE_OF_CONDUCT.html
@@ -314,7 +314,7 @@ <h1>Contributor Code of Conduct</h1>
   "identifier": "https://librarycarpentry.github.io/lc-shell/CODE_OF_CONDUCT.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-08",
-  "datePublished": "2023-08-15"
+  "datePublished": "2023-08-22"
 }
 
   </script><script>
diff --git a/LICENSE.html b/LICENSE.html
index 37c6c043..ce1df4d3 100644
--- a/LICENSE.html
+++ b/LICENSE.html
@@ -365,7 +365,7 @@ <h1>Licenses</h1>
   "identifier": "https://librarycarpentry.github.io/lc-shell/LICENSE.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-08",
-  "datePublished": "2023-08-15"
+  "datePublished": "2023-08-22"
 }
 
   </script><script>
diff --git a/aio.html b/aio.html
index 04cb2fb7..7c8e9002 100644
--- a/aio.html
+++ b/aio.html
@@ -658,7 +658,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Answer
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb14">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -736,7 +736,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Answer
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>To order files in a directory by their filesize, in combination with
 the <code>-l</code> argument:</p>
@@ -1957,7 +1957,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>The <code>cat</code> command just outputs whatever it gets as input,
 so you get exactly the same output from</p>
@@ -2016,7 +2016,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>Here we use the <code>wc</code> command with the <code>-w</code>
 (word) flag on all <code>tsv</code> files, <code>sort</code> them and
@@ -2053,7 +2053,7 @@ <h4 class="accordion-header" id="headingSolution3">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb29">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2085,7 +2085,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb30">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2122,7 +2122,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb31">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2157,7 +2157,7 @@ <h4 class="accordion-header" id="headingSolution6">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <p>From <code>man wc</code>, you will see that there is a
 <code>-w</code> flag to print the number of words:</p>
@@ -2378,7 +2378,7 @@ <h4 class="accordion-header" id="headingSolution7">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
 <div class="accordion-body">
 <p>Using <code>date --help</code> will show you that the <code>+</code>
 option introduces a date format, where <code>%Y</code>, <code>%m</code>
@@ -2456,7 +2456,7 @@ <h4 class="accordion-header" id="headingSolution8">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb52">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2488,7 +2488,7 @@ <h4 class="accordion-header" id="headingSolution9">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution9" class="accordion-collapse collapse" aria-labelledby="headingSolution9" data-bs-parent="#accordionSolution9">
+<div id="collapseSolution9" class="accordion-collapse collapse" data-bs-parent="#accordionSolution9" aria-labelledby="headingSolution9">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb53">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2520,7 +2520,7 @@ <h4 class="accordion-header" id="headingSolution10">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution10" class="accordion-collapse collapse" aria-labelledby="headingSolution10" data-bs-parent="#accordionSolution10">
+<div id="collapseSolution10" class="accordion-collapse collapse" data-bs-parent="#accordionSolution10" aria-labelledby="headingSolution10">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb54">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2552,7 +2552,7 @@ <h4 class="accordion-header" id="headingSolution11">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution11" class="accordion-collapse collapse" aria-labelledby="headingSolution11" data-bs-parent="#accordionSolution11">
+<div id="collapseSolution11" class="accordion-collapse collapse" data-bs-parent="#accordionSolution11" aria-labelledby="headingSolution11">
 <div class="accordion-body">
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-<div id="collapseSolution17" class="accordion-collapse collapse" aria-labelledby="headingSolution17" data-bs-parent="#accordionSolution17">
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 <div class="accordion-body">
 <p>The <code>cat</code> command just outputs whatever it gets as input,
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 <p>Here we use the <code>wc</code> command with the <code>-w</code>
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-<div id="collapseSolution14" class="accordion-collapse collapse" aria-labelledby="headingSolution14" data-bs-parent="#accordionSolution14">
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-<div id="collapseSolution15" class="accordion-collapse collapse" aria-labelledby="headingSolution15" data-bs-parent="#accordionSolution15">
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-<div id="collapseSolution16" class="accordion-collapse collapse" aria-labelledby="headingSolution16" data-bs-parent="#accordionSolution16">
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 <div class="accordion-body">
 <ol style="list-style-type: lower-alpha"><li><p>Because we are explicitly listing the names after
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@@ -1523,7 +1523,7 @@ <h4 class="accordion-header" id="headingSolution17">
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   </h4>
 </button>
-<div id="collapseSolution17" class="accordion-collapse collapse" aria-labelledby="headingSolution17" data-bs-parent="#accordionSolution17">
+<div id="collapseSolution17" class="accordion-collapse collapse" data-bs-parent="#accordionSolution17" aria-labelledby="headingSolution17">
 <div class="accordion-body">
 <p>First, let’s see where our desired columns are:</p>
 <div class="codewrapper sourceCode" id="cb68">
@@ -1626,7 +1626,7 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
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diff --git a/instructor/aio.html b/instructor/aio.html
index 37e830e3..cb2d60a3 100644
--- a/instructor/aio.html
+++ b/instructor/aio.html
@@ -656,7 +656,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Answer
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb14">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -734,7 +734,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Answer
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <p>To order files in a directory by their filesize, in combination with
 the <code>-l</code> argument:</p>
@@ -1958,7 +1958,7 @@ <h4 class="accordion-header" id="headingSolution1">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>The <code>cat</code> command just outputs whatever it gets as input,
 so you get exactly the same output from</p>
@@ -2017,7 +2017,7 @@ <h4 class="accordion-header" id="headingSolution2">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>Here we use the <code>wc</code> command with the <code>-w</code>
 (word) flag on all <code>tsv</code> files, <code>sort</code> them and
@@ -2054,7 +2054,7 @@ <h4 class="accordion-header" id="headingSolution3">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb29">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2086,7 +2086,7 @@ <h4 class="accordion-header" id="headingSolution4">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb30">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2123,7 +2123,7 @@ <h4 class="accordion-header" id="headingSolution5">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb31">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2158,7 +2158,7 @@ <h4 class="accordion-header" id="headingSolution6">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <p>From <code>man wc</code>, you will see that there is a
 <code>-w</code> flag to print the number of words:</p>
@@ -2379,7 +2379,7 @@ <h4 class="accordion-header" id="headingSolution7">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
 <div class="accordion-body">
 <p>Using <code>date --help</code> will show you that the <code>+</code>
 option introduces a date format, where <code>%Y</code>, <code>%m</code>
@@ -2457,7 +2457,7 @@ <h4 class="accordion-header" id="headingSolution8">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb52">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2489,7 +2489,7 @@ <h4 class="accordion-header" id="headingSolution9">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution9" class="accordion-collapse collapse" aria-labelledby="headingSolution9" data-bs-parent="#accordionSolution9">
+<div id="collapseSolution9" class="accordion-collapse collapse" data-bs-parent="#accordionSolution9" aria-labelledby="headingSolution9">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb53">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2521,7 +2521,7 @@ <h4 class="accordion-header" id="headingSolution10">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution10" class="accordion-collapse collapse" aria-labelledby="headingSolution10" data-bs-parent="#accordionSolution10">
+<div id="collapseSolution10" class="accordion-collapse collapse" data-bs-parent="#accordionSolution10" aria-labelledby="headingSolution10">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb54">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2553,7 +2553,7 @@ <h4 class="accordion-header" id="headingSolution11">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution11" class="accordion-collapse collapse" aria-labelledby="headingSolution11" data-bs-parent="#accordionSolution11">
+<div id="collapseSolution11" class="accordion-collapse collapse" data-bs-parent="#accordionSolution11" aria-labelledby="headingSolution11">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb55">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2585,7 +2585,7 @@ <h4 class="accordion-header" id="headingSolution12">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution12" class="accordion-collapse collapse" aria-labelledby="headingSolution12" data-bs-parent="#accordionSolution12">
+<div id="collapseSolution12" class="accordion-collapse collapse" data-bs-parent="#accordionSolution12" aria-labelledby="headingSolution12">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb56">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2618,7 +2618,7 @@ <h4 class="accordion-header" id="headingSolution13">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution13" class="accordion-collapse collapse" aria-labelledby="headingSolution13" data-bs-parent="#accordionSolution13">
+<div id="collapseSolution13" class="accordion-collapse collapse" data-bs-parent="#accordionSolution13" aria-labelledby="headingSolution13">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb57">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2653,7 +2653,7 @@ <h4 class="accordion-header" id="headingSolution14">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution14" class="accordion-collapse collapse" aria-labelledby="headingSolution14" data-bs-parent="#accordionSolution14">
+<div id="collapseSolution14" class="accordion-collapse collapse" data-bs-parent="#accordionSolution14" aria-labelledby="headingSolution14">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb58">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2702,7 +2702,7 @@ <h4 class="accordion-header" id="headingSolution15">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution15" class="accordion-collapse collapse" aria-labelledby="headingSolution15" data-bs-parent="#accordionSolution15">
+<div id="collapseSolution15" class="accordion-collapse collapse" data-bs-parent="#accordionSolution15" aria-labelledby="headingSolution15">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb60">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -2804,7 +2804,7 @@ <h4 class="accordion-header" id="headingSolution16">
   Solutions
   </h4>
 </button>
-<div id="collapseSolution16" class="accordion-collapse collapse" aria-labelledby="headingSolution16" data-bs-parent="#accordionSolution16">
+<div id="collapseSolution16" class="accordion-collapse collapse" data-bs-parent="#accordionSolution16" aria-labelledby="headingSolution16">
 <div class="accordion-body">
 <ol style="list-style-type: lower-alpha">
 <li><p>Because we are explicitly listing the names after
@@ -2890,7 +2890,7 @@ <h4 class="accordion-header" id="headingSolution17">
   Show me the solution
   </h4>
 </button>
-<div id="collapseSolution17" class="accordion-collapse collapse" aria-labelledby="headingSolution17" data-bs-parent="#accordionSolution17">
+<div id="collapseSolution17" class="accordion-collapse collapse" data-bs-parent="#accordionSolution17" aria-labelledby="headingSolution17">
 <div class="accordion-body">
 <p>First, let’s see where our desired columns are:</p>
 <div class="codewrapper sourceCode" id="cb68">
@@ -3547,8 +3547,8 @@ <h3 class="callout-title">Keypoints<a class="anchor" aria-label="anchor" href="#
   "url": "https://librarycarpentry.github.io/lc-shell/instructor/aio.html",
   "identifier": "https://librarycarpentry.github.io/lc-shell/instructor/aio.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2023-08-15",
-  "datePublished": "2023-08-15"
+  "dateModified": "2023-08-22",
+  "datePublished": "2023-08-22"
 }
 
   </script><script>
diff --git a/instructor/contribute.html b/instructor/contribute.html
index 59570eac..2e3c50f6 100644
--- a/instructor/contribute.html
+++ b/instructor/contribute.html
@@ -318,7 +318,7 @@ <h1>Contribute</h1>
   "identifier": "https://librarycarpentry.github.io/lc-shell/instructor/contribute.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-08",
-  "datePublished": "2023-08-15"
+  "datePublished": "2023-08-22"
 }
 
   </script><script>
diff --git a/instructor/discuss.html b/instructor/discuss.html
index 7e716b50..b6181fc2 100644
--- a/instructor/discuss.html
+++ b/instructor/discuss.html
@@ -317,7 +317,7 @@ <h1>Discussion</h1>
   "identifier": "https://librarycarpentry.github.io/lc-shell/instructor/discuss.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-08",
-  "datePublished": "2023-08-15"
+  "datePublished": "2023-08-22"
 }
 
   </script><script>
diff --git a/instructor/images.html b/instructor/images.html
index bdf8bc5c..0f259fb5 100644
--- a/instructor/images.html
+++ b/instructor/images.html
@@ -353,8 +353,8 @@ <h3 id="05-counting-mining-figure-1">Figure 1</h3>
   "url": "https://librarycarpentry.github.io/lc-shell/instructor/images.html",
   "identifier": "https://librarycarpentry.github.io/lc-shell/instructor/images.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2023-08-15",
-  "datePublished": "2023-08-15"
+  "dateModified": "2023-08-22",
+  "datePublished": "2023-08-22"
 }
 
   </script><script>
diff --git a/instructor/index.html b/instructor/index.html
index 33fe6344..40addd0b 100644
--- a/instructor/index.html
+++ b/instructor/index.html
@@ -477,8 +477,8 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
   "url": "https://librarycarpentry.github.io/lc-shell/instructor/index.html",
   "identifier": "https://librarycarpentry.github.io/lc-shell/instructor/index.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2023-08-15",
-  "datePublished": "2023-08-15"
+  "dateModified": "2023-08-22",
+  "datePublished": "2023-08-22"
 }
 
   </script><script>
diff --git a/instructor/instructor-notes.html b/instructor/instructor-notes.html
index ddbea0e7..cd4f5ac6 100644
--- a/instructor/instructor-notes.html
+++ b/instructor/instructor-notes.html
@@ -658,8 +658,8 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
   "url": "https://librarycarpentry.github.io/lc-shell/instructor/instructor-notes.html",
   "identifier": "https://librarycarpentry.github.io/lc-shell/instructor/instructor-notes.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2023-08-15",
-  "datePublished": "2023-08-15"
+  "dateModified": "2023-08-22",
+  "datePublished": "2023-08-22"
 }
 
   </script><script>
diff --git a/instructor/key-points.html b/instructor/key-points.html
index 02aeb3a2..c2113fe4 100644
--- a/instructor/key-points.html
+++ b/instructor/key-points.html
@@ -374,8 +374,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
   "url": "https://librarycarpentry.github.io/lc-shell/instructor/key-points.html",
   "identifier": "https://librarycarpentry.github.io/lc-shell/instructor/key-points.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2023-08-15",
-  "datePublished": "2023-08-15"
+  "dateModified": "2023-08-22",
+  "datePublished": "2023-08-22"
 }
 
   </script><script>
diff --git a/instructor/profiles.html b/instructor/profiles.html
index 76b74e64..e004ede3 100644
--- a/instructor/profiles.html
+++ b/instructor/profiles.html
@@ -276,8 +276,8 @@ <h1>Learner Profiles</h1>
   "url": "https://librarycarpentry.github.io/lc-shell/instructor/profiles.html",
   "identifier": "https://librarycarpentry.github.io/lc-shell/instructor/profiles.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2023-08-15",
-  "datePublished": "2023-08-15"
+  "dateModified": "2023-08-22",
+  "datePublished": "2023-08-22"
 }
 
   </script><script>
diff --git a/instructor/reference.html b/instructor/reference.html
index 98d2f058..85bec11d 100644
--- a/instructor/reference.html
+++ b/instructor/reference.html
@@ -430,7 +430,7 @@ <h3 id="shell-working-with-free-text">Shell: Working with Free Text<a class="anc
   "identifier": "https://librarycarpentry.github.io/lc-shell/instructor/reference.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-08",
-  "datePublished": "2023-08-15"
+  "datePublished": "2023-08-22"
 }
 
   </script><script>
diff --git a/key-points.html b/key-points.html
index 0d119c04..e9562ef8 100644
--- a/key-points.html
+++ b/key-points.html
@@ -378,8 +378,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
   "url": "https://librarycarpentry.github.io/lc-shell/key-points.html",
   "identifier": "https://librarycarpentry.github.io/lc-shell/key-points.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2023-08-15",
-  "datePublished": "2023-08-15"
+  "dateModified": "2023-08-22",
+  "datePublished": "2023-08-22"
 }
 
   </script><script>
diff --git a/pkgdown.yml b/pkgdown.yml
index 7e2af8eb..bce1a510 100644
--- a/pkgdown.yml
+++ b/pkgdown.yml
@@ -2,5 +2,5 @@ pandoc: 2.19.2
 pkgdown: 2.0.7
 pkgdown_sha: ~
 articles: {}
-last_built: 2023-08-15T00:08Z
+last_built: 2023-08-22T00:06Z
 
diff --git a/profiles.html b/profiles.html
index c0df4741..50e6cab3 100644
--- a/profiles.html
+++ b/profiles.html
@@ -277,8 +277,8 @@ <h1>Learner Profiles</h1>
   "url": "https://librarycarpentry.github.io/lc-shell/profiles.html",
   "identifier": "https://librarycarpentry.github.io/lc-shell/profiles.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2023-08-15",
-  "datePublished": "2023-08-15"
+  "dateModified": "2023-08-22",
+  "datePublished": "2023-08-22"
 }
 
   </script><script>
diff --git a/reference.html b/reference.html
index 3c60effc..a2c27bdf 100644
--- a/reference.html
+++ b/reference.html
@@ -429,7 +429,7 @@ <h3 id="shell-working-with-free-text">Shell: Working with Free Text<a class="anc
   "identifier": "https://librarycarpentry.github.io/lc-shell/reference.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-08",
-  "datePublished": "2023-08-15"
+  "datePublished": "2023-08-22"
 }
 
   </script><script>