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.

Fifth LTS (Long Term Support) release of Ubuntu, code-named "Trusty Tahr". Released on 17th April, 2014 and has reached its End Of Life (EOL) in April 2019. Questions specific to 14.04 are no longer s…
if you have trouble booting Ubuntu or you have questions about the bootup process.
20114 questions
Questions about using the command-line interface (CLI).
19238 questions
Managing and using network connectivity on a Ubuntu system
19016 questions
Sixth LTS (Long Term Support) release of Ubuntu, code-named "Xenial Xerus". Released on 21st April, 2016. Will go End Of Life (EOL) April 2021. Only use this tag if your question is version-specific. …
Fourth LTS (Long Term Support) release of Ubuntu, code-named Precise Pangolin. Released on 26th April, 2012, no longer supported (EOL) since 28th April 2017. Questions about unsupported versions are l…
16682 questions
For questions regarding the installation of two or more operating systems on a single computer.
Seventh LTS (Long Term Support) release of Ubuntu, code-named "Bionic Beaver". Released on 26th April, 2018. Will go End Of Life (EOL) April 2028. Only use this tag for version-specific questions.
15471 questions
For questions related to modules, the ones that control and orchestrate how the kernel should communicate with the hardware
15080 questions
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…
Questions related to Ubuntu Server, and server-related packages.
the act of dividing a hard disk drive into multiple logical storage units referred to as 'partitions'
Questions about using Wireless connections in Ubuntu. This tag is not limited to Wifi only.
11721 questions
the next generation of the GRand Unified Bootloader (GRUB). Ubuntu has used GRUB 2 as the boot loader since 9.10 (Karmic Koala). Commonly referred to as simply "GRUB".
Questions related to the NVIDIA graphics and motherboard chipsets and the related drivers.
10041 questions
For questions regarding the Unity desktop environment, including configuring and using Unity. Unity has been the default Ubuntu desktop environment from Ubuntu 11.04 to Ubuntu 17.04.
the shell used in Ubuntu's command-line interface by default.
9168 questions
GNOME (GNU Network Object Model Environment) is a collection of GTK-based software that provides the desktop environment GNOME Shell. This is a very general tag that should only be used for questions …
Questions about the management of software packages, in particular the APT and dpkg systems.
8578 questions
Questions about installing Ubuntu in any supported architecture. Post-installation questions should not be under this tag.
8385 questions
Installing software on a running system, either as binaries or from source.
7905 questions
Questions about upgrading packages, systems or hardware.
an acronym for Universal Serial Bus. The current USB standard is USB 3.0, which supports transfer speeds of up to 625 MB/s. USB devices are plug-and-play.
7609 questions
Questions about sound issues with Ubuntu spanning from sound cards, microphones and speakers/headset to the transfer of audio signals via audio port, bluetooth and HDMI.
(for system installs) or the [software-installation] tag (for installing software on a running system). Questions about installing Ubu…
6806 questions
Questions concerning the Linux kernel in Ubuntu. Issues may including upgrading and installing kernels, compiling, patches, and kernel modules.
Short for "file system permissions" - access control based on user, group, or global access.
Questions about mounting filesystems, such as those on internal drives or on CDs, DVDs, external hard drives or USB flash drives, or about using the `mount` command.
a series of instructions written in a "plain text" file. The script interpreter (for example, Bash or another shell, Python, Perl, Ruby, etc.) reads the file and carries out the instructio…
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.
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.
an LTS version released on 23rd April 2020. Will go End Of Life (EOL) April 2025. Only use this tag if your question is version-specific. Don't use this to …
5276 questions
Questions about keyboards, both touch and otherwise. However, please add the "touchscreen" tag for touchscreen keyboard questions.
a method for securely connecting to a remote computer.
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.
4976 questions
a platform-independent open-source virtualization software available for Linux, OS X, Solaris and Windows hosts. Guest additions need to be installed to automatically adjust the guest sc…
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