# zsh > Z SHell, a Bash-compatible command-line interpreter. > See also `histexpand` for history expansion. > More information: . - Start an interactive shell session: `zsh` - Execute a command and then exit: `zsh -c "{{command}}"` - Execute a script: `zsh {{path/to/script.zsh}}` - Execute a script, printing each command before executing it: `zsh --xtrace {{path/to/script.zsh}}` - Start an interactive shell session in verbose mode, printing each command before executing it: `zsh --verbose`