A tag is a keyword or label that categorizes your question with other, similar questions.

Use this tag if you have trouble booting Ubuntu or you have questions about the bootup process.
22660 questions
Managing and using network connectivity on a Ubuntu system
21598 questions
Questions about using the command-line interface (CLI).
21466 questions
Questions specific to 14.04 are no longer supported here and are supposed to be closed as off-topic. 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.
20358 questions
Questions about 16.04 are off-topic on Ask Ubuntu. Sixth LTS (Long Term Support) release of Ubuntu, code-named "Xenial Xerus". Released on April 21, 2016. Reached End of Standard Support (ESS) on April 30, 2021.
17144 questions
For questions related to modules, the ones that control and orchestrate how the kernel should communicate with the hardware
17060 questions
For questions regarding the installation of two or more operating systems on a single computer.
16909 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 likely to be closed as off-topic.
16551 questions
Questions about using any of the apt tools should use this tag. Advanced Packaging Tool, the package manager for Debian-based distributions. It is also the most used tool for installing packages in Ubuntu.
16293 questions
Questions related to Ubuntu Server, and server-related packages.
15478 questions
Seventh LTS (Long Term Support) release of Ubuntu, code-named "Bionic Beaver". Released on April 26, 2018. Will reach End of Standard Support (ESS) in April 2023. Only use this tag for version-specific questions.
15473 questions
Eighth LTS (Long Term Support) release of Ubuntu, code-named "Focal Fossa". Released on April 23, 2020. Will reach End of Standard Support (ESS) in April 2025. Only use this tag for version-specific questions.
13250 questions
Disk partitioning is the act of dividing a hard disk drive into multiple logical storage units referred to as 'partitions'
13082 questions
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".
12379 questions
Questions about using Wireless connections in Ubuntu. This tag is not limited to Wifi only.
12284 questions
Questions related to the NVIDIA graphics and motherboard chipsets and the related drivers.
11384 questions
Bash (Bourne-Again SHell), is the shell used in Ubuntu's command-line interface by default.
10643 questions
This is a very general tag that should only be used for questions referring to GNOME in general and not a specific component. GNOME (GNU Network Object Model Environment) is a collection of GTK-based software that provides the desktop environment GNOME Shell.
10536 questions
Questions about the management of software packages, in particular the APT and dpkg systems.
9897 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.
9882 questions
Questions about installing Ubuntu in any supported architecture. Post-installation questions should not be under this tag.
9144 questions
Questions about upgrading packages, systems or hardware.
8970 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.
8633 questions
Installing software on a running system, either as binaries or from source.
8530 questions
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.
8510 questions
Questions concerning the Linux kernel in Ubuntu. Issues may including upgrading and installing kernels, compiling, patches, and kernel modules.
7708 questions
Short for "file system permissions" - access control based on user, group, or global access.
7128 questions
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.
6826 questions
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.
6559 questions
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 instructions as if they had been entered at the command prompt.
6401 questions
**DO NOT USE THIS TAG**. Use either the [system-installation] tag (for system installs) or the [software-installation] tag (for installing software on a running system). Questions about installing Ubuntu, or installing programs from within Ubuntu.
6358 questions
Questions about keyboards, both touch and otherwise. However, please add the "touchscreen" tag for touchscreen keyboard questions.
5957 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 problems as well as setting up and configuring SSH for applications which use the SSH protocol. This tag should be used with other tags to better identify the environment of the problem. Questions should contain any logs from client and/or remote (see "ssh -vvv").
5851 questions
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.
5840 questions
The official Ubuntu derivative using the KDE Plasma Desktop
5515 questions
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 screen resolution. USB is supported through a proprietary extension.
5321 questions
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