diff --git a/terminal-tutorial/variable.c b/terminal-tutorial/variable.c
new file mode 100644
index 0000000..2cb051b
--- /dev/null
+++ b/terminal-tutorial/variable.c
@@ -0,0 +1,8 @@
+#include <stdio.h>
+int main() {
+        char output[1024];
+        FILE * pipe = popen("pwd", "r");
+        fgets(output, sizeof(output), pipe);
+        pclose(pipe);
+        printf("%s", output);
+}