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$hostname is now defined by default so we don't need to do anything here. I assume it wasn't always like this since otherwise I wouldn't have needed to call `hostname` in the first place.
fish
fish is the friendly interactive shell.
Use Cases
fish can be used to:
- Have syntax highlighting in the terminal with 0 configuration
- Have leading autocompletion in the terminal with 0 configuration
- Set abbreviations instead of aliases, making it easy to remember what aliases expand to
You should not use fish if:
- You should use fish.