Shell
unalias
Remove alias definitions from the current shell session.
Synopsis
syntax
unalias [-a] NAME...
Examples
Remove the ll alias
unalias ll
Remove all aliases
unalias -a
Restore original rm behavior
unalias rm
Common options
| Flag | Description |
|---|---|
| -a | Remove all alias definitions |
About unalias
The `unalias` command remove alias definitions from the current shell session. Shell commands configure your interactive environment — variables, aliases, history, and shell options.
The shell is your primary interface with Linux, and customizing it improves productivity. These commands work across bash, zsh, and other POSIX-compatible shells with minor differences.
The command accepts 1 commonly used flag shown above, though the full set of options is available in the man page (`man unalias`). The 3 examples on this page cover typical real-world usage patterns that you can copy and adapt for your own workflows.
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