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.
For questions related to users, user accounts, user permissions or guest accounts.
a company that provides cloud and virtualization products and services. Use this tag if you are using VMware's products along with the tag for the software you are using; either [vmwar…
Questions relating to Microsoft's Skype VOIP application and services.
Brand of graphics processing units from AMD, included with other manufacturers' graphics cards. Ask questions about configuring or troubleshooting in Ubuntu.
This non-LTS version of Ubuntu, code-named "Utopic Unicorn", was released on Oct. 23, 2014. It reached End-of-Life on July 23, 2015. Newer questions should be considered off-topic.
Questions for the display resolution of a display device, usually given as number of pixels in each dimension or by it's aspect ratio.
an open-source media player / transcoder / streaming server maintained by the VideoLAN organization.
the open source (BSD-licenced) web browser that Google Chrome is based on. Use this tag for questions about installing, configuring or using the free software Chromium browser, not the pro…
RAID stands for redundant array of independent disks, and allows for disks to be linked in various ways. Common RAID setups in Ubuntu are a hardware RAID, FakeRAID and software RAID.
For questions regarding storage drives that connect using a USB port.
Metal as a Service – MAAS – lets you treat physical servers like virtual machines in the cloud. Rather than having to manage each server individually, MAAS turns your bare metal into an elastic cloud-…
Questions about improving the performance, speed, and/or overall system responsiveness of Ubuntu. Note that this is a general tag, and should be accompanied by another tag indicating what kind of perf…
a non-LTS version of Ubuntu. It reached End Of Life on July 20, 2017. Only use this tag if your question is version-specific.
Questions about managing/using repositories in general and about selecting Ubuntu repositories in particular. Most of the latter questions could be added under the "ppa" and "apt-get" tags as well.
Questions about Intel products or technologies. Intel is one of the leading manufacturers of CPUs and motherboards as well as a host of other hardware.
for questions regarding installing or using Ubuntu on Mac hardware. For questions about the hardware MAC address use the "networking" tag.
A method of connecting to the internet through an intermediary (a proxy server) which handles connections and redirects them.
in process of removal. If your software is freezing then you likely need to file a bug, as freeze problems are usually off topic here and will likely be closed.
A Microsoft file system, used in Windows NT (2000, XP, Vista, 7, 8, 10)
should be used for questions relating to desktop environments, and not a specific desktop environment such as Gnome Shell, KDE, XFCE, LXDE, Unity.
For questions related to AMD graphic cards, their drivers and related problems.
a form of computer data storage. Today, it takes the form of integrated circuits that allow stored data to be accessed in any order with a worst case performance of const…
The Dash grants quick access to applications, files and folders, and shortcuts. For the command-line shell, use [tag:dash-shell]
Questions about the login screen, specifically customizing/troubleshooting it.
Questions related to email setup and troubleshooting. Most questions can be tagged with your email client (such as "thunderbird" or "evolution")
Unix systems, and other Unix-like operating systems, use the term "swap" to describe both the act of moving memory pages between RAM and disk, and the region of a disk the pages are stored on. In some…
The etc/fstab file contains static file system information. It normally contains an entry for each partition name or UUID that lists the mount point, filesystem type and mount options.
Questions about display resolution
CPU stands for Central Processing Unit, and is the main processing chip used in every computer. Brands include Intel, AMD and ARM. CPUs are commonly available in 32- and 64-bit, and come in a variety …
a free, open source, cross-platform e-mail and news client. It is Ubuntu's default e-mail client since 11.10.
Questions about the GTK+ graphical user interface toolkit. The Gnome desktop uses GTK+.
the primary user interface and compositing manage of the GNOME 3 desktop environment, this tag is for questions about using and troubleshooting gnome-shell, theming it, etc. Extensions should be addit…
a small program that gets executed at startup time. The bootloader loads data and other startup process into RAM where they can be executed.