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How a command is built — options and arguments

cheat sheet · Ubuntu 24.04 · Bash 5.2 https://lab.dimsanych.ru/en/wiki/command-syntax/

Cheat sheet

ls -l -a /etc a command, two options, an argument
ls -la /etc short options can be combined
ls --all --human-readable long options
head -n 5 app.log an option with a value
head --lines=5 app.log a long option with a value
cp "my file.txt" docs/ a space in the name — quote it
rm -- -file.txt after -- only arguments
ls --help | less short help on options
man ls the full manual
mkdir logs && cd logs the second runs if the first succeeded