.\" $Id$ .Dd December 07, 2003 .Dt WATCH 1 .Os .Sh NAME .Nm watch .Nd execute program periodically, showing output fullscreen .Sh SYNOPSIS .Nm watch .Op Fl v | Fl ns 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.