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A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

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The bar displayed on a full edge of a GUI desktop that is used to launch, monitor and switch between running applications.
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A cross-platform, open source media player & streaming media server. Use this tag when having issues with playing, streaming, transcoding or otherwise using VLC's features. Consider pairing it with an…
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Process of cleanly stopping the operating system so the system can be turned off
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a rolling-release Linux distribution.
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essential to the operation of any computer and any of its components or peripherals.
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The layer between your hardware and software. It manages disk input/output, memory allocation, graphic acceleration, hosting device drivers and various other resources.
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Use for questions referring specifically to versions of OS X 10.7, Lion. Non-version-specific questions related to OS X should be tagged with [osx]. Questions about Mac hardware should be tagged with …
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Transferring files from one storage to another local or remote storage.
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SSL refers to Secure Sockets Layer, a security protocol that has been replaced by Transport Layer Security (TLS). TLS is still commonly referred to as SSL.
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Dynamic Host Configuration Protocol; allows computers on the same network to automatically obtain unique IP addresses and other network configuration parameters.
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Process of acquiring access to a system's (advanced) functions by proving identity, frequently by supplying a password.
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for a series of graphics cards made by Nvidia. Use this tag if your question is about installing, configuring, troubleshooting or otherwise using Nvidia graphics cards and related drivers …
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X.Org Server (commonly abbreviated to Xorg Server, XServer or just Xorg) refers to the X server release packages stewarded by the X.Org Foundation, which is hosted by freedesktop.org, and grants publi…
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a desktop environment/graphical user interface that runs on top of a computer operating system, most notably Linux and the Java Desktop System which is part of Solaris.
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Processor specifically designed to perform fast memory manipulation, with instructions specifically tailored to handle computer graphics processing and rendering
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a binary program running continuously on a computer (until terminated) which is managed by the operating system.
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a software application that allows users to make voice calls, instant message, and video conference over the Internet.
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A software program capable of reproducing itself and usually capable of causing great harm to files or other programs on the same computer.
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A utility available on all operating systems that helps test network connectivity.
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Webmail service provided by Google. See WebApps.StackExchange.com first as that's where they most likely will be on topic unless using with a desktop client
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All connections, wired, wireless, internet, intranet, and cable fall under this category. Use this tag if your issue involves establishing, maintaining, adding, or removing connections.
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Recommendations for software or applications are off-topic here — Ask such questions on Software Recommendations (http://softwarerecs.stackexchange.com) instead but please read https://softwarerecs.me…
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a form of problem solving that uses logical, systematic steps to solve the problem.
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DO NOT USE THIS TAG. It has been retired. Instead, use the appropriate tag for whatever you are upgrading. See: http://meta.superuser.com/q/8567/76571
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a media library management and playback application developed and maintained by Apple for OS X and Windows. It is also used to synchronise Apple media devices and manage their contents.
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a script written for the shell, or command line interpreter, of an operating system.
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an optical disc storage media format, invented and developed by Philips, Sony, Toshiba, and Time Warner in 1995.
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managed and organized. Could refer to file management by the OS or by a third party application.
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an re-implementation of the smb network sharing protocols, which are used in Windows for file and printer sharing.
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Graphs, charts and other graphical methods for showing data and their relationships.
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Making a process run completely or in part without the need of any user input once the process is started.
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Graphics editing program developed and published by Adobe Systems. So ubiquitous its use in photo manipulation that it birthed term "Photoshopping".
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Commercial software presentation program included in all editions of the Microsoft Office suite.
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Ultra low-cost computer the size of a credit card. Also check the Raspberry Pi SE: http://raspberrypi.stackexchange.com/
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Questions about changing the colors of things (usually themes).
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Microsoft Word 2010, version 14, released in 2010, is the word processing software from Microsoft that lets you create and edit documents.