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fish

The Friendly Interactive SHell, a command-line interpreter designed to be user friendly.

More information.

• Start an interactive shell session:

fish

• Start an interactive shell session without loading startup configs:

fish --no-config

• Execute a command:

fish --command "{command}"

• Execute a script:

fish {path/to/script.fish}

• Check a script for syntax errors:

fish --no-execute {path/to/script.fish}

• Start an interactive shell session in private mode, where the shell does not access old history or save new history:

fish --private

• Define and export an environmental variable that persists across shell restarts (builtin):

set --universal --export {variable_name} {variable_value}

• Print the version:

fish --version

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