Updated: 10 January 2025
Documentation
Bash guide for beginners
Bash reference manual
Bash reference manual
Miscellaneous
Shorten prompt in current terminal
PS1='\u:\W\$ '
Exit status of last command
echo $?
Repeat a command n times
for run in {1..100}; do command; sleep 5; done
Run A and then B, regardless of success of A
A; B
Run B if and only if A succeeded
A && B
Run B if and only if A failed
A || B
Run A in background.
A &
Escape ampersand (with backslash) in url
curl www.jerseyfinance.je/directory?key=foo\&cat=bar