Unix shell

• Bash
• Fish shell
• zsh

• Bash [ -c ], alias, &&, Bash history, Autocompletion, set, unset, export, .bash_aliases, .bashrc and .bash profile, PS1, echo, brace expansion, Function, shopt, trap, set -e, source, PATH, complete, disown, .hushlogin, .bashrc, builtin, eval, set, $PATH, $HOME, TZ, .profile, -e, -i, Builtin (Bash), mapfile, ~, return (Bash), for, until, declare, dirname, basename, functions.sh, Bash arithmetic expansion, shift, bash --rcfile, readonly, $1, $@
• Shell: Fish shell, sh, Bash, ksh, zsh, ash, PowerShell (Windows), /usr/bin/env, .hushlogin, dash, tcsh, Shell redirection,dquote, $SHELL, Google Cloud Shell, AWS CloudShell, explainshell.com, vmware_vm_shell, Nushell, Fig.io, direnv