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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a Debian-based open-source Linux distribution.
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Free email client from Mozilla. Specify your version number when asking.
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A general term used when a computer or device becomes unresponsive to any kind of user input. May be caused by hardware *or* software reasons.
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A family of networking technologies for LANs. Ethernet encompasses bother the physical connection between devices and part of the protocols which define how the connected devices can communicate.
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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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cygwin provides a Unix/Linux-like environment under Microsoft Windows OSes.
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Text file containing a sequence of commands or program invocations.
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share a resource over a network, including files and folders as well as printers or other physical devices
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The number of pixels in a given display or image, representing the smallest physical unit of display. One individual pixel represents a single colour value, and when combined, create a displayed imag…
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A Linux-based operating system for smartphones and tablet computers. Unless the question is specifically regarding the device interacting with your computer questions are more likely to be better suit…
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an Open Source database now owned by Oracle. The MySQL documentation is expansive and incredibly useful.
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VMware software provides a completely virtualized set of hardware to the guest operating system.
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HDMI (High-Definition Multimedia Interface) is a widely used interface for transmitting audio and video signals between devices and displays. Many PCs now include the ability to output audio/video dir…
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Blue Screen of Death; a Windows fatal system error, e.g. "A problem has been detected and Windows has been shut down" or "Your PC ran into a problem". Mention the specific error code and all informati…
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the process of receiving digital data from another computer, either over a local-area-network or a wide-area-network (i.e. the internet).
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the act of using redirecting one port to another, commonly used to access a computer from behind a firewall with NAT.
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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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a condition where soft- or hardware ceases to function properly.
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Hardware failure refers to the act of a piece of physical hardware failing to meet its designed standards during operation.
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Search refers to the ability of finding any number of items of information with specified properties among a collection of items sharing the same type of properties.
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Integral service in every modern Windows OS that updates the software and OS, including installed components and drivers.
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a network that connects multiple devices in a limited geographical area, such as a room, an apartment or a building. Currently, most LANs are based on Wi-Fi, link…
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Questions about the Apple MacBook family of laptops.
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Usually a personal account on a computer system that allows access to a system's (advanced) functions.
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a free and open source terminal emulator application which can act as a client for the SSH, Telnet, rlogin, and raw TCP computing protocols and as a serial console client. The name "PuTTY" ha…
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The 2013 version of Microsoft's spreadsheet application.
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DO NOT USE THIS TAG! It has been deprecated. Instead, use the appropriate tag for whatever you are upgrading. See: http://meta.superuser.com/q/8567/76571
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A short range wireless protocol used by various devices, such as cell phones, wireless headsets, mice and keyboards.
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DO NOT USE THIS TAG! It has been deprecated. Consider using a more specific tag, such as [data-recovery], [password-recovery], or [file-recovery].
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SATA (Serial Advanced Technology Attachment) is one of the most common bus interfaces for connecting mass storage devices to a computer system.
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a low-power state designed to provide very fast resuming of a computer's operation, with minimal power consumption.
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the embedded power-source of a component such as a notebook. It is composed of cells of chemical elements that store energy.
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called a home network. It usually smaller than an office network, just connecting two or three computers and a modem/router.
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Recommendations for software or applications are off-topic here — Ask such questions on Software Recommendations (http://softwarerecs.stackexchange.com) instead.
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the default command-line interpreter for many Microsoft-created operating systems.
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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.