.\" Copyright (c) 1983, 1990 The Regents of the University of California.
.\" All rights reserved.
.\"
.\" %sccs.include.redist.man%
.\"
.\"     @(#)logger.1	6.6 (Berkeley) 07/24/90
.\"
.Dd 
.Dt LOGGER 1
.Os BSD 4.3
.Sh NAME
.Nm logger
.Nd make entries in the system log
.Sh SYNOPSIS
.Nm logger
.Op Fl is
.Op Fl f Ar file
.Op Fl p Ar pri
.Op Fl t Ar tag
.Op Ar message ...
.Sh DESCRIPTION
.Nm Logger
provides a shell command interface to the
.Xr syslog  3
system log module.
.Pp
Options:
.Pp
.Tw Fl
.Tp Fl i
Log the process id of the logger process
with each line.
.Tp Fl s
Log the message to standard error, as well as the system log.
.Tc Fl f
.Ws
.Ar file
.Cx
Log the specified file.
.Tc Fl p
.Ws
.Ar pri
.Cx
Enter the message with the specified priority.
The priority may be specified numerically or as a ``facility.level''
pair.
For example, ``\-p local3.info'' logs the message(s) as
.Sf Ar info rmational
level in the
.Ar local3
facility.
The default is ``user.notice.''
.Tc Fl t
.Ws
.Ar tag
.Cx
Mark every line in the log with the specified
.Ar tag  .
.Tp Ar message
Write the message to log; if not specified, and the
.Fl f
flag is not
provided, standard input is logged.
.Tp
.Pp
The
.Nm logger
utility exits 0 on success, and >0 if an error occurs.
.Sh EXAMPLES
.Pp
.Dl logger System rebooted
.Pp
.Dl logger \-p local0.notice \-t HOSTIDM \-f /dev/idmc
.Sh SEE ALSO
.Xr syslog 3 ,
.Xr syslogd 8
.Sh STANDARDS
The logger function is expected to be POSIX 1003.2 compatible.