Name

su - switch to another user

Synopsis

$ su [-] [user]
$ su [-] [user] [-c command]

Description

su: Switch to another user.

When called with no user-specified, su defaults to switch to the root user. Need to enter the password if the user switch to has one.

Options

• -, -l, --login: Start the shell as it was a real login
• -c, --command: Execute a command using /bin/sh instead of starting an interactive shell

Arguments

• user: User to switch to (defaults to the user with UID 0)

Examples

Switch to root user

$ su

Switch to another user

$ su nona

See also

• pls(8)