[handy linux commands] Cheatsheet for cool things you can do with bash. #bash

snippet.md

Rename selected files using a regular expression

rename 's/\.bak$/.txt/' *.bak

Process Management

Check how long something takes to run

time ls

Limit memory usage for following commands

ulimit -Sv 1000			# 1000 KBs = 1MB
ulimit -Sv unlimited	# remove limit

Limit time for command

timeout 10s ./script.sh

References

• https://www.lopezferrando.com/30-interesting-shell-commands/