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32 .\" @(#)lpc.8 8.5 (Berkeley) 4/28/95
40 .Nd line printer control program
43 .Op Ar command Op Ar argument ...
47 utility is used by the system administrator to control the
48 operation of the line printer system.
49 For each line printer configured in
53 .Bl -bullet -offset indent
55 disable or enable a printer,
57 disable or enable a printer's spooling queue,
59 rearrange the order of jobs in a spooling queue,
61 find the status of printers, and their associated
62 spooling queues and printer daemons,
64 change the status message for printer queues (the status message
65 may be seen by users as part of the output of the
70 Without any arguments,
72 will prompt for commands from the standard input.
73 If arguments are supplied,
75 interprets the first argument as a command and the remaining
76 arguments as parameters to the command.
78 may be redirected causing
80 to read commands from file.
81 Commands may be abbreviated;
82 the following is the list of recognized commands.
84 .Bl -tag -width indent -compact
85 .It Ic \&? Op Ar command ...
86 .It Ic help Op Ar command ...
87 Print a short description of each command specified in the argument list,
88 or, if no argument is given, a list of the recognized commands.
90 .It Ic abort Brq Cm all | Ar printer
91 Terminate an active spooling daemon on the local host immediately and
92 then disable printing (preventing new daemons from being started by
94 for the specified printers.
96 .It Ic bottomq Ar printer Op Ar jobspec ...
97 Take the specified jobs in the order specified and move them to the
98 bottom of the printer queue.
101 can match multiple print jobs.
102 The full description of a
106 .It Ic clean Brq Cm all | Ar printer
107 Remove any temporary files, data files, and control files that cannot
108 be printed (i.e., do not form a complete printer job)
109 from the specified printer queue(s) on the local machine.
110 This command will also look for
112 files in spool directory
113 for each printer queue, and list any that are found.
114 It will not remove any
121 .It Ic disable Brq Cm all | Ar printer
122 Turn the specified printer queues off.
124 printer jobs from being entered into the queue by
127 .It Ic down Bro Cm all | Ar printer ... Brc Cm -msg Ar message ...
128 .It Ic down Bro Cm all | Ar printer Brc Ar message ...
129 Turn the specified printer queue off, disable printing and put
131 in the printer status file.
132 When specifying more than one printer queue, the
134 argument is required to separate the list of printers from the text
135 that will be the new status message.
136 The message does not need to be quoted, the
137 remaining arguments are treated like
139 This is normally used to take a printer down, and let other users
140 find out why it is down (the
142 utility will indicate that the printer is down and will print the
145 .It Ic enable Brq Cm all | Ar printer
146 Enable spooling on the local queue for the listed printers.
149 to put new jobs in the spool queue.
156 .It Ic restart Brq Cm all | Ar printer
157 Attempt to start a new printer daemon.
158 This is useful when some abnormal condition causes the daemon to
159 die unexpectedly, leaving jobs in the queue.
161 will report that there is no daemon present when this condition occurs.
162 If the user is the super-user,
163 try to abort the current daemon first (i.e., kill and restart a stuck daemon).
165 .It Ic setstatus Bro Cm all | Ar printer Brc Cm -msg Ar message ...
166 Set the status message for the specified printers.
169 argument is required to separate the list of printers from the text
170 that will be the new status message.
171 This is normally used to change the status message when the printer
172 queue is no longer active after printing has been disabled, and you
173 want to change what users will see in the output of the
177 .It Ic start Brq Cm all | Ar printer
178 Enable printing and start a spooling daemon for the listed printers.
180 .It Ic status Brq Cm all | Ar printer
181 Display the status of daemons and queues on the local machine.
183 .It Ic stop Brq Cm all | Ar printer
184 Stop a spooling daemon after the current job completes and disable
187 .It Ic tclean Brq Cm all | Ar printer
188 This will do a test-run of the
191 All the same checking is done, but the command will only print out
192 messages saying what a similar
194 command would do if the user typed it in.
195 It will not remove any files.
198 command is a privileged command, while the
200 command is not restricted.
202 .It Ic topq Ar printer Op Ar jobspec ...
203 Take the specified jobs in the order specified and move them to the
204 top of the printer queue.
207 can match multiple print jobs.
208 The full description of a
212 .It Ic up Brq Cm all | Ar printer
213 Enable everything and start a new printer daemon.
214 Undoes the effects of
224 to specify which jobs the command should operate on.
230 a single job number, which will match all jobs in the printer's queue
231 which have the same job number.
235 a range of job numbers, which will match all jobs with a number between
236 the starting and ending job numbers, inclusive.
240 a specific userid, which will match all jobs which were sent by that
245 a host name, when prefixed by an `@', which will match all jobs in
246 the queue which were sent from the given host.
250 a job range and a userid, separated by a `:', which will match all jobs
251 which both match the job range and were sent by the specified user.
257 a job range and/or a userid, followed by a host name, which will match
258 all jobs which match all the specified criteria.
260 .Ar jones@freebsd.org
262 .Ar 21-32@freebsd.org
264 .Ar jones:17@freebsd.org .
267 The values for userid and host name can also include pattern-matching
268 characters, similar to the pattern matching done for filenames in
270 Note that if you enter a
274 command as parameters on the initial
276 command, then the shell will expand any pattern-matching characters
277 that it can (based on what files in finds in the current directory)
280 processes the command.
281 In that case, any parameters which include pattern-matching characters
282 should be enclosed in quotes, so that the shell will not try to
285 .Bl -tag -width /var/spool/*/lockx -compact
287 printer description file
290 .It Pa /var/spool/*/lock
291 lock file for queue control
295 .It "?Ambiguous command"
296 abbreviation matches more than one command
297 .It "?Invalid command"
299 .It "?Privileged command"
300 you must be a member of group "operator" or root to execute this command