SULOGIN(8) System Administration SULOGIN(8) (NAME) sulogin - (SYNOPSIS) sulogin [options] [tty] (DESCRIPTION) sulogin init . : Give root password for system maintenance (or type Control-D for normal startup): (root) --force . sulogin tty ( /dev/console) . control-D . (OPTIONS) -e, --force getpwnam(3) /etc/passwd /etc/shadow . '!' '*' sulogin . -e . -p, --login-shell sulogin (login shell) . -t, --timeout seconds . sulogin . -h, --help . -V, --version . (ENVIRONMENT) sulogin SUSHELL sushell . root /etc/passwd . /bin/sh . (AUTHORS) sulogin Miquel van Smoorenburg sysvinit Dave Reisner Karel Zak util-linux . (REPORTING BUGS) . (AVAILABILITY) sulogin util-linux . . util-linux 2.42.3 2026-09-02 SULOGIN(8)