Berkeley printing system
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The Berkeley printing system is one of several standard architectures for printing on the Unix platform.[1] It originated in 2.10BSD,[citation needed] and is still used to varying degrees in BSD derivatives such as FreeBSD,[2][3] NetBSD,[4] OpenBSD,[5] and DragonFly BSD.[6][7] A system running this print architecture could traditionally be identified by the use of the user command lpr as the primary interface to the print system, as opposed to the System V printing system lp command.[1][8][9]
Typical user commands available to the Berkeley print system are:
- lpr — the user command to assign a job to the print queue[1][8]
- lpq — shows the current print queue[1][8]
- lprm — deletes a job from the print queue[1][8]
The lpd program is the daemon with which those programs communicate.[1]
These programs support the line printer daemon protocol, so that other machines on a network can submit jobs to a print queue on a machine running the Berkeley printing system, and so that the Berkeley printing system user commands can submit jobs to machines that support that protocol.[1][10]
References
[edit]- ^ a b c d e f g BSD vs. System V Printing (PDF). Xerox Multifunction Devices. November 25, 2003. Retrieved April 4, 2025.
- ^ "LPR(1)". FreeBSD Manual Pages. The FreeBSD Project. June 6, 1993. Retrieved April 4, 2025.
- ^ "LPD(8)". FreeBSD Manual Pages. The FreeBSD Project. April 15, 2021. Retrieved April 4, 2025.
- ^ "Chapter 12. Printing, Part III. System configuration, administration and tuning". The NetBSD Guide. The NetBSD Foundation. 2025.
- ^ "LPD(8)". OpenBSD manual page server. OpenBSD. June 17, 2023. Retrieved April 4, 2025.
- ^ "LPR(1)". DragonFly On-Line Manual Pages. Dragonfly BSD. Retrieved April 4, 2025.
- ^ "LPD(8)". DragonFly On-Line Manual Pages. Dragonfly BSD. Retrieved April 4, 2025.
- ^ a b c d Shah, Ankur (2008). "History of Printing in UNIX". CUPS Administrative Guide. Packt. ISBN 978-1847192585. Retrieved April 4, 2025.
- ^ Sanderson II, Steven P. (January 31, 2025). "Complete Guide to Linux Printing Commands: From Basic to Advanced". spsanderson.com. Retrieved April 4, 2025.
- ^ McLaughlin, Leo (August 1990). Line Printer Daemon Protocol. IETF. doi:10.17487/RFC1179. RFC 1179. Retrieved April 4, 2025.
See also
[edit]- Common Unix Printing System (CUPS)
- LPRng