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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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a full-screen window manager that multiplexes a physical terminal between several processes (typically interactive shells). For computer monitors, see the tag /monitors.
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the process of selecting paths in a network along which to send network traffic.
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Hard disk space usage: how much space do my files take?
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The speed at which a program runs
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a Linux process that manages device file entries under /dev
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the name of an environment variable on Unix-like operating systems, DOS, OS/2, and Microsoft Windows, specifying a set of directories where executable programs are searched fo…
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Version 3 of the GNOME desktop environment
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One or a set of directives issued in the *nix environment to get information, change the state of something or to execute something. In other words: To gain an objective.
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a program that controls the incoming and outgoing network traffic on a system. Use this tag for all questions related to firewall configuration and operation.
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Sorting text files or other data, for example with the sort utility.
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a free & open source, distributed version control system designed to handle everything from small to very large projects with speed and efficiency.
× 677
a general-purpose programming language and a computing platform called the Java Virtual Machine (JVM). Use this tag when you are dealing with a java program, installing java, or configuring a …
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a shell with advanced scripting features, commonly found on commercial unices and some BSD systems but rarely used on Linux.
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the Kernel Virtual Machine, a virtualization hypervisor built into the Linux kernel.
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a utility that automates the build process by managing dependencies amongst targets.
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possible to use colors on the Unix command-line interface.
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a CLI tool for issuing HTTP GET, POST, & PUT request.
× 656
A representation of a device that asynchronously transmits and receives serial data.
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A Linux distribution for the Raspberry Pi, derived from Debian
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the command to remove files
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an application tool to simplify the multi network model on a single or multiple interfaces.
× 625
a free virtual private network (VPN) client and daemon.
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an application (or set of applications) that runs in the background waiting to be used, or carrying out essential tasks.
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encoding information in a way so that it can only be decoded if a secret is known; used to prevent exposure of data to other parties
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essentially nothing more than a keyboard shortcut, an abbreviation, a means of avoiding typing a long command sequence. This can save a great deal of typing at the command-line and avoid h…
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devices refers to questions about the Unix/Linux device special files, normally these are under /dev. Do not use this tag for physical devices (for that use e.g. usb or pci).
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wget - command-line utility to download content non-interactively(can be called from scripts, cron jobs , terminals without the X-Windows support, etc.)
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the startup sequence, from the time the kernel goes live to when all services are up and running
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a journalling file system for Linux, developed as the successor to ext3. Use this tag for question that are ext4 specific, generic file system related questions sh…
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the chip in the computer that actually performs the operations and calculations that are done as a program runs. It is essentially what executes a program.
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A feature provided by interactive programs such as shells and text editors that inserts text to complete a word or phrase that the user is likely intending to compose.
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String manipulation: extracting a part of a string, text replacement, formatting to a given width, etc.
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Obtaining real-time values of system parameters or events (processor load, server responsiveness, intrusion attempts, …), or getting alerted when certain events happen
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AIX (Advanced Interactive eXecutive, pronounced "a i ex") is a series of proprietary Unix operating systems developed and sold by IBM for several of its computer platforms.
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Questions about the Unified Extensible Firmware Interface (UEFI), the software interface aiming to replace typical BIOSes. This tag may also be used for questions related to UEFI partitions and system…
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The use of Unix in embedded computer systems such as networking equipment, mobile phones, media players, set-top boxes, etc.