# Unix / Linux

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You can use $timeout command in linux to exit the bash command if it doesn't finishes in time X \
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Example: \
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$timeout 2 cat \*.txt \
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If [$cat](https://twitter.com/search?q=%24cat\&src=ctag) commane doesn't finishes in 2 seconds it will kill the command. Usefull while automation.

* <https://madaidans-insecurities.github.io/guides/linux-hardening.html>

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port forwarding - <https://unix.stackexchange.com/questions/115897/whats-ssh-port-forwarding-and-whats-the-difference-between-ssh-local-and-remot>

**$** alias s="du -hs \* | sort -rh | head -5"

* [What are some good resource/projects to learn Linux basics?](https://twitter.com/cyberashx/status/1272593657670008832?s=20)