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- LPC User Commands LPC
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- NNAAMMEE
- lpc - line printer control program
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- SSYYNNOOPPSSIISS
- llppcc [ command [ argument ... ] ]
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- DDEESSCCRRIIPPTTIIOONN
- _L_p_c is used by the system administrator to control the
- operation of the line printer system. For each line printer
- configured in /etc/printcap, _l_p_c may be used to:
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- o+ disable or enable a printer,
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- o+ disable or enable a printer's spooling queue,
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- o+ rearrange the order of jobs in a spooling queue,
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- o+ find the status of printers, and their associated
- spooling queues and printer dameons.
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- Without any arguments, _l_p_c will prompt for commands from the
- standard input. If arguments are supplied, _l_p_c interprets
- the first argument as a command and the remaining arguments
- as parameters to the command. The standard input may be
- redirected causing _l_p_c to read commands from file. Commands
- may be abreviated; the following is the list of recognized
- commands.
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- ? [ command ... ]
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- help [ command ... ]
- Print a short description of each command specified in
- the argument list, or, if no arguments are given, a
- list of the recognized commands.
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- abort { all | printer ... }
- Terminate an active spooling daemon on the local host
- immediately and then disable printing (preventing new
- daemons from being started by _l_p_r) for the specified
- printers.
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- clean { all | printer ... }
- Remove any temporary files, data files, and control
- files that cannot be printed (i.e., do not form a com-
- plete printer job) from the specified printer queue(s)
- on the local machine.
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- disable { all | printer ... }
- Turn the specified printer queues off. This prevents
- new printer jobs from being entered into the queue by
- _l_p_r.
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- LPC User Commands LPC
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- down { all | printer } message ...
- Turn the specified printer queue off, disable printing
- and put _m_e_s_s_a_g_e in the printer status file. The message
- doesn't need to be quoted, the remaining arguments are
- treated like _e_c_h_o(1). This is normally used to take a
- printer down and let others know why (lpq will indicate
- the printer is down and print the status message).
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- enable { all | printer ... }
- Enable spooling on the local queue for the listed
- printers. This will allow _l_p_r to put new jobs in the
- spool queue.
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- exit
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- quit
- Exit from lpc.
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- restart { all | printer ... }
- Attempt to start a new printer daemon. This is useful
- when some abnormal condition causes the daemon to die
- unexpectedly leaving jobs in the queue. _L_p_q will
- report that there is no daemon present when this condi-
- tion occurs. If the user is the super-user, try to
- abort the current daemon first (i.e., kill and restart
- a stuck daemon).
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- start { all | printer ... }
- Enable printing and start a spooling daemon for the
- listed printers.
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- status { all | printer ... }
- Display the status of daemons and queues on the local
- machine.
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- stop { all | printer ... }
- Stop a spooling daemon after the current job completes
- and disable printing.
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- topq printer [ jobnum ... ] [ user ... ]
- Place the jobs in the order listed at the top of the
- printer queue.
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- up { all | printer ... }
- Enable everything and start a new printer daemon.
- Undoes the effects of _d_o_w_n.
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- FFIILLEESS
- /etc/printcap printer description file
- /usr/spool/* spool directories
- /usr/spool/*/lock lock file for queue control
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- LPC User Commands LPC
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- SSEEEE AALLSSOO
- lpd(8), lpr(1), lpq(1), lprm(1), printcap(5)
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- DDIIAAGGNNOOSSTTIICCSS
- ?Ambiguous command abreviation matches more than one command
- ?Invalid command no match was found
- ?Privileged command command can be executed by root only
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