Portal:Software

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The Software Portal

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Software is a program that enables a computer to perform a specific task, as opposed to the physical components of the system (hardware). This includes application software such as a word processor, which enables a user to perform a task, and system software such as an operating system, which enables other software to run properly, by interfacing with hardware and with other software. Software also acts as an interface between the hardware like processor(s) and user(s).
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A photo montage
(Pictured right: A photo montage created in Adobe Photoshop from various images and editing)

Adobe Photoshop, or simply Photoshop, is a graphics editor developed and published by Adobe Systems. It is the current market leader for commercial bitmap and image manipulation, and, aside from Adobe Acrobat, is the best-known piece of software produced by Adobe Systems. It is considered the industry standard in most jobs related to the use of visual elements. It has been described as "an industry standard for graphics professionals" and was one of the early "killer apps" on Macintosh.

Photoshop is available for Windows, OS X, and Mac OS; versions up to Photoshop 9.0 can also be used with other operating systems such as Linux using software such as CrossOver. Past versions of the program were ported to the IRIX and Solaris, but official support for this port was dropped after version 3.

The current (12th) version of the program, Photoshop CS5, was released on April 12, 2010. "CS" reflects its integration with other Creative Suite products, and the number "5" represents it as the fifth version released since Adobe re-branded its products under the CS umbrella in 2003. Photoshop CS5 features additions such as three dimensional brushes and warping tools.


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Richard Matthew Stallman (born March 16, 1954), often shortened to rms is an American software freedom activist and computer programmer. In September 1983, he launched the GNU Project to create a free Unix-like operating system, and he has been the project's lead architect and organizer. With the launch of the GNU Project, he initiated the free software movement; in October 1985 he founded the Free Software Foundation.

Stallman pioneered the concept of copyleft, and he is the main author of several copyleft licenses including the GNU General Public License, the most widely used free software license. Since the mid-1990s, Stallman has spent most of his time advocating for free software, as well as campaigning against software patents, digital rights management, and what he sees as excessive extension of copyright laws. Stallman has also developed a number of pieces of widely used software, including the original Emacs, the GNU Compiler Collection, the GNU Debugger, and various tools in the GNU coreutils. He co-founded the League for Programming Freedom in 1989.


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A refund for defective software might be nice, except it would bankrupt the entire software industry in the first year.


Andrew S. Tanenbaum, Computer Networks, 2003, Introduction, page 14

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...that Cognos Reportnet is compatible with multiple databases including Oracle, SAP, Teradata, Microsoft SQL server, DB2 and Sybase?
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Software is also part of the wider categories Computing and Computer Science.


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