# If This, Then That: if and \[\[ \]\]

if lets a script choose: the commands after then run only when a test passes, \[\[ \]\] compares text with == and whole numbers with -lt and its friends, and if can also ask whether any command worked.

![Cheat sheet for the lesson If This, Then That: if and \[\[ \]\]: if lets a script choose: the commands after then run only when a test passes, \[\[ \]\] compares text with == and whole numbers with -lt and its friends, and if can also ask whether any command worked.](https://fsdtrainingmedia.blob.core.windows.net/public/images/2026/11/932f57258a594bf0a9d96a74a424ab90.webp)

- Category: Bash
- Level: Apprentice
- Tags: exit-code, if-statement, linux, shell-script, test-command, unix
- Updated: November 10, 2026

Source: https://www.ask-codey.com/cheat-sheets/bash-if-statements-cheat-sheet