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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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the process of having two (or more) operating systems installed on a computer, allowing one to be chosen during the boot process.
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a Unix operating system originally developed by Sun Microsystems (currently owned by Oracle) as a rebranding of SunOS 4.1.x in 1991.
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In computing, memory refers to the state information of a computing system, as it is kept active in some physical structure.
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The ls command lists the contents of a directory.
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the process of making copies (a backup) of data which may be used to restore the original after a data loss event.
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a service that provides the resolution of host names to IP addresses. Use the [tag:dns] tag when you are troubleshooting DNS issues, configuring a DNS resolver or server, …
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A permanent data storage device used for storing and retrieving digital information using rapidly rotating discs (platters) coated with magnetic material in a rigid form factor (as opposed to floppy d…
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the process of logging in: from the login prompt, through user authentication, to session startup
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Low-cost single-board computer the size of a credit card. Also check the Raspberry Pi SE:
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a guest Operating System running in a completely isolated environment within a normal host operating system. Modern virtual machines are implemented with either software emul…
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a name used to identify a file uniquely on given file system.
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typically delimited by quotes, which raises the problem of dealing with strings that include quotes.
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Questions regarding password-based authentication and password management
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a terminal multiplexer: it enables a number of terminals (or windows), each running a separate program, to be created, accessed, and controlled from a single screen. tmux may be detached from …
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The tar archive format and/or the command-line utility for working with tar files.
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refers to the action of giving a different name to either an existing file or to a copy of a file as part of some other operations (.e.g. remote copy, backup). Use this tag as well for …
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General keyboard topics, including keyboard hardware and keyboard functionality in software.
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ambiguous: use grub2 or grub-legacy as appropriate.
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the most privileged account on a Unix system.
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A special type of file that references an inexistent or existing file or directory. The contents of a symbolic link consist of an arbitrary string that is the path to the file that the symbolic link p…
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a name, if correctly chosen with a symbolic meaning, that holds a value or values. Use this tag if your question is specific on the use of variables on shell scripting (if you want to as…
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Questions about the IP protocol and IP addresses. For Linux ip utility related questions, use iproute tag instead.
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to replace a piece of hardware or software with a better, and usually newer, version or component.
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A lightweight desktop environment for UNIX-like operating systems.
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is used to classify questions about date/calendar/time manipulation, visualisation, conversion... on Unix-like systems.
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hardware (or its representation by software) that connects a computing device (host) to a computer network (net)
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A general purpose operating system built on top of the Linux kernel, developed by the community-supported openSUSE Project.
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used for question particular to the nVidia range of graphic boards/chips and their drivers. Use it only if you know for sure the problem is not a general graphics board issue (in that case u…
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Globbing means matching files by name patterns containing wildcards.
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a package management system intended primarily for Linux distributions.
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An open-source, relational database management system.
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for questions about loading, configuring, or compiling them. See also /drivers for questions about which modules to use for specific hardware. A kernel module is a bit of code that can be…
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a widely-used, general-purpose scripting language that is especially suited for web development. Use this tag when you are dealing with a PHP script, installing PHP, or configuring a PHP insta…
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A free software re-implementation of the SMB/CIFS networking protocol, which provides Windows file and print services. Use this tag when your question involves Samba shares, mounts, or printers.
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an application to create containers for applications.
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nfs (Network File System) created by Sun Microsystems. NFS allows a client system to access network files as if local.