.\" $Id$ .Dd Juni 05, 2003 .Dt WATCH 1 .Os .Sh NAME .Nm watch .Nd execute program periodically, showing output fullscreen .Sh SYNOPSIS .Nm watch .Op Fl vns Ar .Op Ar command .Sh DESCRIPTION .Nm runs .Ar command repeatedly, displaying its output fullscreen. This allow you to watch a .Ar command output as it changes. By default it updates output every 2 seconds. .Pp The .Nm will end with keyboard interrupt .Pq Sq ^C .Pp The options are as follows: .Bl -tag -width Ds .It Fl v Show version and exit. .It Fl n Show no title. .It Fl s Ar Delay in seconds between screen refresh. .El .Pp .Sh EXAMPLE .Nm -s 1 ps x .Pp .Sh AUTHORS The original .Nm was written by Tony Rems in 1991, with mods and corrections by Francois Pinard. It was rewritten by demon in 2003.