su — Switch shell to another user. More information: <https://manned.org/su>.

Switch to superuser (requires the root password)

su

Switch to a given user (requires the user's password)

su {{username}}

Switch to a given user and simulate a full login shell

su - {{username}}

Execute a command as another user

su - {{username}} {{[-c|--command]}} "{{command}}"

Switch to a given user and use a specific shell (e.g., Zsh, fish, Bash)

su {{[-s|--shell]}} /{{path/to/shell}} {{username}}