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Linux top 50 cmd - Lpd

lpd is the line printer daemon and is normally invoked at boot time from the rc file. It makes a single pass through the /etc/printcap file to find out about the existing printers and prints any files left after a crash. It then uses the system calls listen and accept to receive requests to print files in the queue, transfer files to the spooling area, display the queue, or remove jobs from the queue.