Tags
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.
Questions about Android devices are off-topic for Super User and should be asked on android.stackexchange.com unless they specifically involve interaction with a computer. Questions about Android app …
2033 questions
Also known as regular expression or regexp, a description of a set of strings, often used for searching and validating strings.
2028 questions
For questions specific to Windows 11. Use [windows] instead for questions involving Windows in general.
2005 questions
File Synchronization refers to reflecting changes from a set of files to the same set of files in another location. Synchronization can also be applied to contacts, music, or other data.
2000 questions
A short range wireless protocol used by various devices, such as cell phones, wireless headsets, mice and keyboards.
1978 questions
PHP is a widely-used general-purpose scripting language that is especially suited for Web development. Questions about programming in PHP are off-topic and should be asked on Stack Overflow.
1963 questions
Hardware failure refers to the act of a piece of physical hardware failing to meet its designed standards during operation.
1935 questions
MySQL is an Open Source database now owned by Oracle. The MySQL documentation is expansive and incredibly useful.
1914 questions
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.
1904 questions
Free email client from the Thunderbird community. Specify your version number when asking.
1894 questions
OpenVPN is a free and open source software SSL VPN solution. It allows secure point-to-point or site-to-site connections with routed or bridged configurations and remote access facilities.
1841 questions
The Unified Extensible Firmware Interface BIOS (UEFI) is a specification that defines a software interface between an operating system and platform firmware. UEFI replaces the Basic Input/Output Syste…
1841 questions
Iptables is a module that provides the Linux operating system functions of firewall, NAT and logging of data traveling over a computer network.
1840 questions
PuTTY is 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…
1830 questions
Batteries are the embedded power-source of a component such as a notebook. It is composed of cells of chemical elements that store energy.
1810 questions
Arch Linux is a rolling-release Linux distribution.
1795 questions
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…
1791 questions
Generally used to share a resource over a network, including files and folders as well as printers or other physical devices
1789 questions
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…
1788 questions
Processor specifically designed to perform fast memory manipulation, with instructions specifically tailored to handle computer graphics processing and rendering
1778 questions
LAN, short for Local Area Network, is 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…
1778 questions
Docker - An open platform for distributed applications for developers and sysadmins.
1768 questions
VMware software provides a completely virtualized set of hardware to the guest operating system.
1763 questions
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.
1758 questions
cygwin provides a Unix/Linux-like environment under Microsoft Windows OSes.
1740 questions
A crash (or system crash) is a condition where soft- or hardware ceases to function properly.
1719 questions
Internet Explorer is the web browser developed by Microsoft. Version specific questions should use a version-specific tag, as this tag is for more general cases.
1717 questions
Sleep mode is a low-power state designed to provide very fast resuming of a computer's operation, with minimal power consumption.
1711 questions
A macro in computer science is a rule or pattern that specifies how a certain input sequence should be mapped to a certain output sequence according to defined rules and procedures. Consider using [vb…
1710 questions
DO NOT USE THIS TAG! It has been retired. If you have a question about a disk image (a file that represents the contents and structure of a data disk), use [disk-image] or [iso-image] instead. If you …
1710 questions
Network-attached storage (NAS) is file-level computer data storage connected to a computer network providing data access to heterogeneous clients.
1669 questions
The bar displayed on a full edge of a GUI desktop that is used to launch, monitor and switch between running applications.
1660 questions
For questions regarding usage of the Emacs text editor. See also the Emacs Stack Exchange: https://emacs.stackexchange.com
1660 questions
Ultra low-cost computer the size of a credit card. Also check the Raspberry Pi SE: http://raspberrypi.stackexchange.com/
1659 questions
Downloading is the process of receiving digital data from another computer, either over a local-area-network or a wide-area-network (i.e. the internet).
1657 questions
Usually a personal account on a computer system that allows access to a system's (advanced) functions.
1651 questions