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.

if you have trouble booting Ubuntu or you have questions about the bootup process.
21390 questions
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…
20402 questions
Managing and using network connectivity on a Ubuntu system
20278 questions
Questions about using the command-line interface (CLI).
20263 questions
Sixth LTS (Long Term Support) release of Ubuntu, code-named "Xenial Xerus". Released on 21st April, 2016. Reached End of Standard Support (ESM) on April 30, 2021. Questions specific to 16.04 are no lo…
17264 questions
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…
16591 questions
For questions regarding the installation of two or more operating systems on a single computer.
16312 questions
For questions related to modules, the ones that control and orchestrate how the kernel should communicate with the hardware
16111 questions
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.
15388 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…
14931 questions
Questions related to Ubuntu Server, and server-related packages.
Disk partitioning is 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.
GRUB 2 is 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".
Ubuntu 20.04, also known as Focal Fossa, 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 …
10893 questions
Questions related to the NVIDIA graphics and motherboard chipsets and the related drivers.
10761 questions
Bash (Bourne-Again SHell), is the shell used in Ubuntu's command-line interface by default.
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.
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.
Questions about installing Ubuntu in any supported architecture. Post-installation questions should not be under this tag.
Questions about upgrading packages, systems or hardware.
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.
8196 questions
Installing software on a running system, either as binaries or from source.
USB is 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.
Questions concerning the Linux kernel in Ubuntu. Issues may including upgrading and installing kernels, compiling, patches, and kernel modules.
(for system installs) or the [software-installation] tag (for installing software on a running system). Questions about installing Ubu…
6752 questions
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.
Questions about updates. This is 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.
A script is 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…
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.
Questions about keyboards, both touch and otherwise. However, please add the "touchscreen" tag for touchscreen keyboard questions.
5511 questions
SSH, or "Secure Shell", is a networking protocol or client using SSH for securely connecting to a remote computer. This tag is for questions involving using SSH and troubleshooting SSH connection prob…
VirtualBox is 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…
The official Ubuntu derivative using the KDE Plasma Desktop
5091 questions
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