diff --git a/src/content/docs/en/linux/shell.mdx b/src/content/docs/en/linux/shell.mdx
index 7c3cbf89..31a77573 100644
--- a/src/content/docs/en/linux/shell.mdx
+++ b/src/content/docs/en/linux/shell.mdx
@@ -188,4 +188,8 @@ For files in your current folder, you must use `./` before the file name.
 ./exec
 ```
 
+<Alert type="info">
+  Executables are often moved into a directories listed in the `$PATH` variable (run `echo $PATH`). The filenames of executables in `$PATH` can be executed as commands (i.e. `custom-command` will run `/usr/local/bin/custom-command`)
+</Alert>
+
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