Explainshell.com – match command-line arguments to their help text
https://explainshell.com/
examples
- :(){ :|:& };:
 - for user in $(cut -f1 -d: /etc/passwd); do crontab -u $user -l 2>/dev/null; done
 - file=$(echo `basename "$file"`)
 - true && { echo success; } || { echo failed; }
 - cut -d ' ' -f 1 /var/log/apache2/access_logs | uniq -c | sort -n
 - tar zcf - some-dir | ssh some-server "cd /; tar xvzf -"
 - tar xzvf archive.tar.gz
 - find . -type f -print0
 - ssh -i keyfile -f -N -L 1234:www.google.com:80 host
 - git log --graph --abbrev-commit --pretty=oneline origin..mybranch