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28 .\" @(#)lprm.1 8.1 (Berkeley) 6/6/93
36 .Nd remove jobs from the line printer spooling queue
39 .Op Fl P Ns Ar printer
46 utility will remove a job, or jobs, from a printer's spool queue.
47 Since the spooling directory is protected from users, using
49 is normally the only method by which a user may remove a job.
50 The owner of a job is determined by the user's login name
51 and host name on the machine where the
55 Options and arguments:
56 .Bl -tag -width indent
57 .It Fl P Ns Ar printer
58 Specify the queue associated with a specific
60 (otherwise the default printer is used).
66 will remove all jobs which a user
68 If the super-user employs this flag, the spool queue will
73 to attempt to remove any jobs queued belonging to that user
77 is useful only to the super-user.
79 A user may dequeue an individual job by specifying its job number.
80 This number may be obtained from the
83 .Bd -literal -offset indent
86 1st:ken [job #013ucbarpa]
87 (standard input) 100 bytes
92 If neither arguments or options are given,
94 will delete the currently active job if it is
95 owned by the user who invoked
100 utility announces the names of any files it removes and is silent if
101 there are no jobs in the queue which match the request list.
105 utility will kill off an active daemon, if necessary, before removing
107 If a daemon is killed, a new one is
108 automatically restarted upon completion of file removals.
110 If the following environment variable exists, it is utilized by
112 .Bl -tag -width PRINTER
114 If the environment variable
117 and a printer has not been specified with the
120 the default printer is assumed from
124 .Bl -tag -width /var/spool/*/lock/ -compact
126 Printer characteristics file.
128 Spooling directories.
129 .It Pa /var/spool/*/lock
130 Lock file used to obtain the pid of the current
131 daemon and the job number of the currently active job.
134 ``Permission denied" if the user tries to remove files other than his
146 Since there are race conditions possible in the update of the lock file,
147 the currently active job may be incorrectly identified.