fish
fish
TLDR
Start interactive shell
$ fish
Execute a command
$ fish -c "[command]"
Run commands from a file
$ fish [file.fish]
Check a file for syntax errors
$ fish --no-execute [file.fish]
Display version information and exit
$ fish --version
Set and export environmental variables that persist across restarts
$ set -Ux [variable_name] [variable_value]