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+        <a href="index.html">Summary and Setup</a>
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diff --git a/02-navigating-the-filesystem.html b/02-navigating-the-filesystem.html
index b74bec25..b37a996a 100644
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+        <a href="index.html">Summary and Setup</a>
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diff --git a/404.html b/404.html
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+        <a href="https://librarycarpentry.github.io/lc-shell/index.html" class="external-link">Summary and Setup</a>
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 }
 
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diff --git a/CODE_OF_CONDUCT.html b/CODE_OF_CONDUCT.html
index ea3d2e46..0c61f66a 100644
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+        <a href="index.html">Summary and Setup</a>
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   "@type": "TrainingMaterial",
   "@id": "https://librarycarpentry.github.io/lc-shell/CODE_OF_CONDUCT.html",
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diff --git a/LICENSE.html b/LICENSE.html
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+        <a href="index.html">Summary and Setup</a>
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   "@type": "TrainingMaterial",
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diff --git a/aio.html b/aio.html
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--- a/aio.html
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-      <a href="index.html">Summary and Setup</a>
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+<!--/div.accordion-header-->
+        
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-  <!--/div.accordion-item-->
+<!--/div.accordion-item-->
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@@ -659,7 +660,7 @@ <h3 class="callout-title">Getting help<a class="anchor" aria-label="anchor" href
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 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
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 <div class="codewrapper sourceCode" id="cb14">
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 <div class="accordion-body">
 <p>To order files in a directory by their filesize, in combination with
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-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
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 <div class="codewrapper sourceCode" id="cb21">
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-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
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 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb22">
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 </button>
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 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb23">
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-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
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 <div class="accordion-body">
 <ul>
 <li>The <code>?</code> wildcard matches the regular expression
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 </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">
 <p>You may think there is not much value in such a basic command like
 <code>echo</code>. However, from the moment you start writing automated
@@ -3472,7 +3473,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
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+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.3" class="external-link">pegboard (0.7.3)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
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   "@context": "https://schema.org",
   "@type": "TrainingMaterial",
   "@id": "https://librarycarpentry.github.io/lc-shell/aio.html",
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   "dct:conformsTo": "https://bioschemas.org/profiles/TrainingMaterial/1.0-RELEASE",
   "description": "A Carpentries Lesson teaching foundational data and coding skills to researchers worldwide",
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diff --git a/contribute.html b/contribute.html
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--- a/contribute.html
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                 <div class="accordion-body">
-                  <?xml version="1.0" encoding="UTF-8"?><div class="accordion accordion-flush" id="accordionFlush1">
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-      <a href="index.html">Summary and Setup</a>
-    </div>
-    <!--/div.accordion-header-->
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-  <!--/div.accordion-item-->
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+        <a href="index.html">Summary and Setup</a>
+    </div><!--/div.accordion-header-->
+        
+  </div><!--/div.accordion-item-->
+</div><!--/div.accordion-flush-->
 
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         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
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 <div class="accordion-body">
 <p>To order files in a directory by their filesize, in combination with
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 <div class="accordion-body">
 <ul>
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 <div class="accordion-body">
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+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.3" class="external-link">pegboard (0.7.3)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
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+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.3" class="external-link">pegboard (0.7.3)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
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+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.3" class="external-link">pegboard (0.7.3)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
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+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.3" class="external-link">pegboard (0.7.3)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
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         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
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@@ -435,6 +433,7 @@ <h3 id="shell-working-with-free-text">Shell: Working with Free Text<a class="anc
   "@context": "https://schema.org",
   "@type": "TrainingMaterial",
   "@id": "https://librarycarpentry.github.io/lc-shell/reference.html",
+  "inLanguage": "en",
   "dct:conformsTo": "https://bioschemas.org/profiles/TrainingMaterial/1.0-RELEASE",
   "description": "A Carpentries Lesson teaching foundational data and coding skills to researchers worldwide",
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@@ -444,7 +443,7 @@ <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": "2023-09-08",
-  "datePublished": "2023-12-19"
+  "datePublished": "2023-12-26"
 }
 
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