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Add Check If Command Is Executable Before Using as a unix til

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jbranchaud
2021-01-07 14:33:34 -06:00
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@@ -10,7 +10,7 @@ pairing with smart people at Hashrocket.
For a steady stream of TILs, [sign up for my newsletter](https://tinyletter.com/jbranchaud).
_998 TILs and counting..._
_999 TILs and counting..._
---
@@ -911,6 +911,7 @@ _998 TILs and counting..._
- [Change Default Shell For A User](unix/change-default-shell-for-a-user.md)
- [Change To That New Directory](unix/change-to-that-new-directory.md)
- [Check If A Port Is In Use](unix/check-if-a-port-is-in-use.md)
- [Check If Command Is Executable Before Using](unix/check-if-command-is-executable-before-using.md)
- [Check The Current Working Directory](unix/check-the-current-working-directory.md)
- [Clear The Screen](unix/clear-the-screen.md)
- [Command Line Length Limitations](unix/command-line-length-limitations.md)