sulogin — Log in as root during single-user mode. More information: <https://manned.org/sulogin>.

Start `sulogin` on the default console

sudo sulogin

Start `sulogin` on a specific TTY device

sudo sulogin {{/dev/ttyX}}

Set a maximum timeout(in seconds) for entering the root password before continuing normal boot

sudo sulogin {{[-t|--timeout]}} {{timeout}}

Start root's shell as a login shell

sudo sulogin {{[-p|--login-shell]}}

Force a root shell without asking for a password when default methods of obtaining the password fail

sudo sulogin {{[-e|--force]}}