lprm man page on 4.4BSD

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LPRM(1)			  BSD General Commands Manual		       LPRM(1)

NAME
     lprm — remove jobs from the line printer spooling queue

SYNOPSIS
     lprm [-Pprinter] [-] [job # ...] [user ...]

DESCRIPTION
     Lprm will remove a job, or jobs, from a printer's spool queue.  Since the
     spooling directory is protected from users, using lprm is normally the
     only method by which a user may remove a job.  The owner of a job is
     determined by the user's login name and host name on the machine where
     the lpr(1) command was invoked.

     Options and arguments:

     -Pprinter
	     Specify the queue associated with a specific printer (otherwise
	     the default printer is used).

     -	     If a single ‘-’ is given, lprm will remove all jobs which a user
	     owns.  If the super-user employs this flag, the spool queue will
	     be emptied entirely.

     user    Causes lprm to attempt to remove any jobs queued belonging to
	     that user (or users).  This form of invoking lprm is useful only
	     to the super-user.

     job #   A user may dequeue an individual job by specifying its job num‐
	     ber.  This number may be obtained from the lpq(1) program, e.g.

		   % lpq -l

		   1st:ken			   [job #013ucbarpa]
			   (standard input)	   100 bytes
		   % lprm 13

     If neither arguments or options are given, Lprm will delete the currently
     active job if it is owned by the user who invoked lprm.

     Lprm announces the names of any files it removes and is silent if there
     are no jobs in the queue which match the request list.

     Lprm will kill off an active daemon, if necessary, before removing any
     spooling files.  If a daemon is killed, a new one is automatically
     restarted upon completion of file removals.

ENVIRONMENT
     If the following environment variable exists, it is utilized by lprm.

     PRINTER  If the environment variable PRINTER exists, and a printer has
	      not been specified with the -P option, the default printer is
	      assumed from PRINTER.

FILES
     /etc/printcap	 Printer characteristics file.
     /var/spool/*	 Spooling directories.
     /var/spool/*/lock	 Lock file used to obtain the pid of the current dae‐
			 mon and the job number of the currently active job.

SEE ALSO
     lpr(1), lpq(1), lpd(8)

DIAGNOSTICS
     ``Permission denied" if the user tries to remove files other than his
     own.

BUGS
     Since there are race conditions possible in the update of the lock file,
     the currently active job may be incorrectly identified.

HISTORY
     The lprm command appeared in 3.0BSD.

4.2 Berkeley Distribution	 June 6, 1993	     4.2 Berkeley Distribution
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