Submitting a Print Request

The lp and lpr commands enable you to submit a print request. When you submit a request, the command locks the file to be printed and attempts to send it directly to the print server. If the command can't lock the file or the destination printer is not responding, the command uses a temporary spooling area (/var/spool/print) on the print client to hold the print request, then becomes a daemon to perform the transfer later. After all the print requests in the spooling area are transferred, the daemon exits.