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25.2 SunOS 5.X

25.2.1 Print Scheduler

The print scheduler is started when entering run level 2 by the /etc/rc2.d/S80lp script. All this script does is start the print scheduler, /usr/lib/lpsched, or stop it with the /usr/lib/lpshut command. The scheduler manages the print requests and must be running for the print service to operate. It identifies the filter for any necessary conversion and queues the file for the printer. It runs the interface program to initialize a local printer and downloads the request when the printer is ready.

Each print client and server must have at least one lpNet daemon running. The lpNet daemon is started by lpsched to handle network print requests. The lpNet daemon requires a port monitor be configured by the Service Access Facility, so that a registered listen service is available to handle incoming network requests for each local printer.

Unix System Administration - 8 AUG 1996
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