fish

The Friendly Interactive SHell. A command-line interpreter designed to be user friendly. More information: https://fishshell.com.

• 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}}