# fish > A command-line shell designed to be user firendly. - Start interactive shell: `fish` - Execute a command: `fish -c "{{command}}"` - Run commands from a file: `fish {{file.fish}}` - Check a file for syntax: `fish --no-execute {{file.fish}}` - Display version information and exit: `fish --version` - Enable debug information (ranges from 0 to 128): `fish --debug-stack-frames={{NUMBER}}`