Before CUPS, it was difficult to find a standard printer management system that would accommodate the very wide variety of printers on the market using their own printer languages and formats. The system makes extensive use of PostScript and rasterization of data to convert the data into a format suitable for the destination printer.ĬUPS offers a standard and modularised printing system that can process numerous data formats on the print server. The filter system then passes the data on to a backend-a special filter that sends print data to a device or network connection. The print data goes to a scheduler which sends jobs to a filter system that converts the print job into a format the printer will understand. Overview ĬUPS provides a mechanism that allows print jobs to be sent to printers in a standard fashion. In 2020, the OpenPrinting organization forked the project, with Michael Sweet continuing work on it.
On December 20, 2019, Michael Sweet announced on his blog that he had left Apple. hired chief developer Michael Sweet and purchased the CUPS source code.
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adopted CUPS as the printing system for Mac OS X 10.2. CUPS was quickly adopted as the default printing system for most Linux distributions. This name was shortened to just "CUPS" beginning with CUPS 1.4 due to legal concerns with the UNIX trademark. CUPS was initially called "The Common UNIX Printing System". The original design of CUPS used the Line Printer Daemon protocol (LPD), but due to limitations in LPD and vendor incompatibilities, the Internet Printing Protocol (IPP) was chosen instead.
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Michael Sweet, who owned Easy Software Products, started developing CUPS in 1997 and the first public betas appeared in 1999. 4.1 CUPS web-based administration interface.CUPS is free software, provided under the Apache License. There are a number of user interfaces for different platforms that can configure CUPS, and it has a built-in web-based interface.
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System administrators can configure the device drivers which CUPS supplies by editing text files in Adobe's PostScript Printer Description (PPD) format. It also provides the traditional command line interfaces for the System V and Berkeley print systems, and provides support for the Berkeley print system's Line Printer Daemon protocol and limited support for the Server Message Block (SMB) protocol. CUPS uses the Internet Printing Protocol (IPP) as the basis for managing print jobs and queues. A computer running CUPS is a host that can accept print jobs from client computers, process them, and send them to the appropriate printer.ĬUPS consists of a print spooler and scheduler, a filter system that converts the print data to a format that the printer will understand, and a backend system that sends this data to the print device.
2.4.2 / May 26, 2022 5 months ago ( )ĬUPS (formerly an acronym for Common UNIX Printing System) is a modular printing system for Unix-like computer operating systems which allows a computer to act as a print server.
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