Printing tips in Linux

• lpr sends print jobs to specified queue


• Usually queue is a directory /var/spool/cups


• CUPS daemon monitors queues and connections from network


• Old printer daemon is LPD


• CUPS sends print queues to printers


• Ghost script translates from Postscript to specific printer language


• Ghost sript is injected into the print queue via smartfilter


• CUPS has it's own collection of smartfilters


• CUPS is available via http://localhost:631


• U can print some pages on one sheet using mpage command


• lpq command is used to display print queues


• lprm command is used to delete jobs from print queue


• lpc command and CUPS web panel are used to manage print queues


• Enable, disable queue: cupsenable, cupsdisable


• lpmove command moves jobs from one queue to another