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

These questions are about Linux in general -- NOT specific to a particular distribution. If the question just happens to be in a Linux environment, please specify your Linux distribution in the body of your question, but do NOT use the /linux tag.
35904 questions
Questions specific to GNU’s Bourne Again SHell, as opposed to other Bourne/POSIX shells. For questions about Unix shells in general, use the /shell tag instead. For shell scripts with errors/syntax errors, please check them with the shellcheck program (or in the web shellcheck server at https://shellcheck.net) before posting here.
24056 questions
Questions about shell scripts, executable files that are interpreted by a shell (bash, zsh, etc.).
15513 questions
Questions specific to the Debian official distribution (stable, testing, or unstable); if you are using a derivative of Debian (e.g. Mint, Ubuntu, Kali, etc), then use that distribution’s tag instead.
14027 questions
Please don't use this tag just because your system is running Ubuntu. Use it **only** if your question is somehow specific to Ubuntu only. Note that https://askubuntu.com is specifically dedicated to Ubuntu questions.
12238 questions
The shell is Unix's command-line interface. You can type commands in a shell interactively, or write scripts to automate tasks. Use this tag for questions applying to /bin/sh and most compatible shells (ash, bash, ksh, zsh, …). For shell scripts with errors, please check them in http://shellcheck.net before posting here.
11478 questions
Questions specific to the CentOS Linux distribution. Use this tag if your question relates to how the CentOS distribution affects your problem; do not use it if you just happen to be using CentOS and your question is about a specific configuration detail or syntax.
8103 questions
Manipulation or examining of text by programs, scripts, etc.
8057 questions
A pattern-directed scanning and processing language.
7608 questions
SSH (Secure SHell) is a protocol for securely running commands on a remote computer. Use this tag for questions about configuring, using and trouble-shooting SSH client and server software.
7489 questions
Managing and using network connectivity on a unix system
7283 questions
sed is a command-line stream editor for filtering and transforming text.
6906 questions
The command-line is the interactive interface to your shell.
5889 questions
For questions pertaining to grep, a command-line tool for searching text patterns in files. Use this tag for questions about grep itself or questions about issues arising from using the grep command-line tool.
4769 questions
Manipulating files: copying, renaming, searching, analyzing, archiving, etc. For operating on text in a file, see /text-processing. For questions about the Files file manager (formerly Nautilus), see /nautilus.
4769 questions
Arch Linux is a simple, lightweight, rolling Linux distribution aimed at keeping things simple. Use this tag for questions specific to Arch Linux. Do NOT use this tag for derivatives, such as Manjaro.
4627 questions
A script is a sequence of commands or instructions that are executed by an interpreter program rather than compiled into a standalone executable program.
4267 questions
Fedora is a Linux distribution with a fast release cycle, maintained by a community and sponsored by Red Hat.
4176 questions
Permissions are the Unix way of controlling access to resources such as files, directories and devices and may be specified for an owner, group, or all users.
4168 questions
systemd is an alternative approach to SystemV and Upstart init daemons for Linux. It is intended to provide a better framework for expressing services' dependencies, allow more work to be done in parallel at system startup, and to reduce shell overhead.
4022 questions
A terminal is an environment for text input/output. Inside the terminal, one runs command-line and text mode programs (including shells).
4002 questions
Linux Mint is a Linux distribution based on Ubuntu aiming to be more usable out-of-the-box
3930 questions
Red Hat Enterprise Linux (RHEL) is a commercially supported Linux distribution.
3791 questions
A filesystem is a way to organize and store computer files with their data.
3780 questions
For questions pertaining to find, a command-line utility to search for files in a directory hierarchy. Use this tag for questions about find itself or questions about issues arising from using the find command-line utility.
3330 questions
Everything about Unix kernels: development, configuration, compilation, design, etc.
3280 questions
Bootloader issues: what happens before the operating system itself starts.
3234 questions
Attaches a file system to a specified point in an existing filesystem hierarchy
3230 questions
Questions about Linux kernel and Linux kernel related topics eg. implementation details such as system calls, kernel customization, etc. For Linux user space topics which do not involve kernel details, [linux] or distribution tag are more suitable.
3219 questions
For questions about the use, design, function etc. of APT (Advanced Packaging Tool), the standard software package management system for Debian and its derivatives.
3037 questions
Zsh is a shell with many advanced command-line and scripting features.
2690 questions
The X window system (commonly X Window System or X11, based on its current major version being 11) is a computer software system and network protocol that provides a basis for graphical user interfaces (GUI) for networked computers.
2674 questions
Regular expressions are a means of matching a pattern of characters within a string.
2609 questions
Disk partitioning is the act of dividing a hard disk drive into multiple logical storage units referred to as partitions, to treat one physical disk drive as if it were multiple disks.
2595 questions
Content related to computer security., i.e. content about policies, mechanisms, etc. needed make sure data is not leaked or corrupted and services available in all circumstances.
2510 questions
iptables allow creation of rules to define packet filtering behavior.
2492 questions
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