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The Common Unix Printing System provides a portable printing layer for UNIX(r)-based operating systems. It has been developed to promote a standard printing solution for all UNIX vendors and users. CUPS provides the System V and Berkeley commandline interfaces, uses the Internet Printing Protocol ("IPP") as the basis for managing print jobs and queues, supports (with reduced functionality) the Line Printer Daemon ("LPD"), Server Message Block ("SMB"), and AppSocket (a.k.a. JetDirect) protocols, and adds network printer browsing and PostScript Printer Description ("PPD")-based printing options to support real-world printing under UNIX. CUPS also includes a customized version of GNU Ghostscript and an image file RIP that are used to support non-PostScript printers. Sample drivers for HP and EPSON printers are included that use these filters.


User manual included; administrators manual included. Full list of documentation available in both HTML and PDF formats available from


Download version 1.1.23 (stable)
released on 3 January 2005

Paid technical support and development available from Easy Software at


Related Projects


LicenseVerified byVerified onNotes
GPLv2Janet Casey21 December 2000
LGPLv2Janet Casey21 December 2000

Leaders and contributors


Resources and communication

Audience Resource type URI
Developer VCS Repository Webview
Bug Tracking E-mail
Developer,Help,Support Homepage

Software prerequisites

This entry (in part or in whole) was last reviewed on 17 July 2008.


Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the page “GNU Free Documentation License”.

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