Linux Commands
Command references for core Linux tools, syntax, examples, and practical one-liners.
How to Create Groups in Linux: groupadd Command
This guide explains how to create groups in Linux using the groupadd command, including how to set a custom GID, create system groups, and manage group options.
touch Command in Linux: Create Files and Update Timestamps
The touch command creates empty files and updates file timestamps in Linux. This guide covers access time, modification time, custom timestamps, and reference file usage.
Rsync Command in Linux with Examples
Learn how to use the rsync command to sync files and directories locally and remotely. Covers common options, remote transfers, dry run, exclusions, and troubleshooting.
Linux patch Command: Apply Diff Files
The patch command applies diff files to original files in Linux. This guide covers basic usage, strip paths, dry run, backup, and reversing patches with examples.
Timeout Command in Linux
The timeout command runs a specified command and terminates it after a given time limit. This guide covers syntax, signal handling, exit codes, and practical examples for scripts and pipelines.
Rmmod Command in Linux
Learn how to use the rmmod command to remove kernel modules in Linux, including options, troubleshooting, and best practices.
Free Command in Linux
Learn how to use the Linux free command to check RAM and swap usage. Includes output explained, human-readable format, and useful options.
Diff Command in Linux
Learn how to use the diff command in Linux to compare files and directories. Covers unified/context formats, ignore case/whitespace, and common options.
How to Clear (Flush) the DNS Cache on Windows, MacOS, and Linux
This article provides instructions on how to flush your DNS cache on different operating systems and web browsers.
