COHERENT manpages
This page displays the COHERENT manpage for lpd [Spooler daemon for line printer].
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lpd -- System Administration Spooler daemon for line printer /usr/lib/lpd lpd is the daemon that prints listings queued by the command lpr. All jobs are printed on the printer that is accessed through device /dev/lp. For information on this device, and on printer management in general, see the Lexicon entry printer. lpr invokes lpd automatically. If there is no printing to do, or if another daemon is already running (indicated by the file dpid), lpd exits immediately. Otherwise, it searches the spool directory for control files of listings to print. A control file contains the names of files to print, the user name, banners, and files to be removed upon completion. lpd does not print listings in any particular order. Priority is not given to any file, either by size or by requester. Files /dev/lp -- Printer /usr/spool/lpd -- Spool directory /usr/spool/lpd/cf* -- Control files /usr/spool/lpd/df* -- Data files /usr/spool/lpd/dpid -- Lock and process id See Also Administering COHERENT, init, lpr, lpskip, printer Notes Beginning with release 4.2, COHERENT also includes the printer daemon despooler, which prints files spooled with the command lp. For details on how COHERENT manages printing, see the Lexicon entry for printer.