Sim, há /sbin/shutdown
. Leia man shutdown
e você pode usá-lo para reiniciar ou parar. Veja man shutdown
, que diz, em parte:
trusty (8) shutdown.8.gz
Provided by: upstart_1.12.1-0ubuntu4_i386 bug
NAME
shutdown - bring the system down
SYNOPSIS
shutdown [OPTION]... TIME [MESSAGE]
DESCRIPTION
shutdown arranges for the system to be brought down in a safe way. All
logged-in users are notified that the system is going down and, within
the last five minutes of TIME, new logins are prevented.