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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× 19177
Fourth LTS (Long Term Support) release of Ubuntu, code-named Precise Pangolin. Released on 26th April, 2012. Only use this tag if your question is version-specific.
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DO NOT USE THIS TAG. Use either [system-installation] (for system installs) or [software-installation] (for installing software on a running system). Questions about installing Ubuntu, or installing p…
× 7501
The current LTS (Long Term Support) release of Ubuntu, code-named "Trusty Tahr". Released on 17th April, 2014. Only use this tag if your question is version-specific.
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Questions about the bootup process in Ubuntu. Use this tag if you have trouble booting Ubuntu or you have questions about the bootup process.
× 6944
For questions regarding the Unity desktop environment, including configuring Unity and using it.
× 6441
Questions about using Wireless connections in Ubuntu. This tag is not limited to Wifi only.
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Managing and using network connectivity on a Ubuntu system
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Questions about using the command-line interface (CLI).
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For questions regarding the installation of two or more operating systems on a single computer.
× 5554
Codenamed "Oneiric Ocelot", this version was released on Oct 13, 2011 and is no longer supported since May 9, 2013. Questions about unsupported versions are likely to be closed as off-topic.
× 5349
For questions related to modules, the ones that controls and orchestrate how the kernel should communicate with the hardware
× 4974
Questions related to Ubuntu Server, and server-related packages.
× 4687
This version of Ubuntu, code-named Quantal Quetzal, was released on October 18, 2012. You should only use this tag if your question is hardware- or version-specific.
× 4675
the next generation of the GRand Unified Bootloader (GRUB). Ubuntu has used GRUB2 as the boot loader since 9.10 (Karmic Koala). Commonly referred to as simply "GRUB".
× 4445
Codenamed "Raring Ringtail", this version was released on Apr 25, 2013 and is no longer supported since Jan 27, 2014. Questions about unsupported versions are likely to be closed as off-topic.
× 4369
This version of Ubuntu, code-named Saucy Salamander, was released On 17 Oct, 2013 and reaches End-of-Life July 2014. This is the current latest, non-LTS version of Ubuntu. You should only use this tag…
× 4265
GNOME (GNU Network Object Model Environment) is a collection of GTK-base software that provides the desktop environment GNOME-Shell. This is a very general tag that should only be used for questions r…
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Advanced Packaging Tool, the package manager for Debian-based distributions. It is also the most used tool for installing packages in Ubuntu. Questions about using any of the apt tools should use this…
× 4086
the act of dividing a hard disk drive into multiple logical storage units referred to as 'partitions'
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Questions related to the Nvidia graphics and motherboard chipsets and the related drivers.
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Questions about upgrading packages, systems or hardware.
× 3405
Questions about sound issues with Ubuntu spanning from sound cards, microphones and speakers to audio signals not being correctly transfered or not at all via Bluetooth or HDMI.
× 3171
an acronym for Universal Serial Bus. The current USB standard is USB 3.0, which supports transfer speeds of up to 625MB/s. USB devices are plug-and-play.
× 3130
Codenamed "Natty Narwhal", this version was released on Apr 28, 2011 and is no longer supported since Oct 28, 2012. Questions about unsupported versions are likely to be closed as off-topic.
× 2950
Questions about installing Ubuntu in any supported architecture. Post-installation questions should not be under this tag.
× 2617
Microsoft's Windows operating system(s). Questions with this tag should relate to Ubuntu to be on-topic for this site. If your issue is with a specific version of Windows, please check windows-8, wind…
× 2542
for questions concerning Ubuntu's kernel, including compiling and questions relating to modules
× 2406
a very general tag. If you have a tag that's more specific (e.g. the package name that your question is about) please use that one.
× 2382
Questions related to graphics chips and related drivers made by AMD. Also for questions about older ATI motherboard chipsets and drivers.
× 2357
the shell used in Ubuntu's command-line interface.
× 2300
Questions about mounting filesystems. (Examples include a CD, a DVD, an external hard drive and a USB thumbdrive.)
× 2246
Questions related to graphics, in particular getting graphics cards to work. Please tag your exact graphics card version as well if you know what it is.
× 2100
Questions asking for specific applications that perform a given task or work with a given file format.
× 2087
a community developed, Ubuntu-based Linux operating system.
× 2074
Short for "file system permissions" - access control based on user, group, or global access.
× 2071
Third Long Term Support (LTS) release of Ubuntu. Released April 2010. It was supported until 9th May, 2013 on Desktops and will be supported until April 2015 on Servers. Codenamed "Lucid Lynx". You sh…