Linux Commands
Command references for core Linux tools, syntax, examples, and practical one-liners.
git clone: Clone a Repository
How to use git clone to copy a remote or local repository, clone a specific branch, and create shallow clones, with examples for HTTPS and SSH.
How to Copy Files and Directories in Linux
Step-by-step guide to copying files and directories in Linux with the cp and rsync commands. Covers recursive copies, preserving permissions, and common examples.
jobs Command in Linux: List and Manage Background Jobs
The jobs command lists background and suspended processes in the current shell session. This guide covers syntax, options, job specifications, and practical examples.
dmesg Command in Linux: Read and Filter Kernel Messages
How to use the dmesg command in Linux to read kernel ring buffer messages, filter by log level and facility, display human-readable timestamps, and watch for new events in real time.
paste Command in Linux: Merge Lines from Files
Use the paste command in Linux to merge lines from multiple files side by side, change delimiters, and serialize output with practical examples.
git stash: Save and Restore Uncommitted Changes
How to use git stash to temporarily save uncommitted changes, switch branches, and restore your work — with examples for stashing untracked files, named stashes, and partial stashes.
rpm Command in Linux: Install, Query, and Verify Packages
Use the rpm command in Linux to install, upgrade, remove, query, and verify RPM packages on Fedora, RHEL, AlmaLinux, Rocky Linux, and other RPM-based distributions.
How to Transfer Files with Rsync over SSH
Use rsync over SSH to copy and synchronize files and directories between local and remote systems, with examples for custom ports, dry runs, compression, and progress display.
pstree Command in Linux: View the Process Tree
Use the pstree command in Linux to display running processes as a tree, show PIDs and PGIDs, trace parent processes, and highlight specific branches.
type Command in Linux: Show Command Type and Location
The type command shows whether a name is a shell builtin, alias, function, keyword, or executable file, and how the current shell resolves it.
Linux ip Command with Examples
A practical guide to the Linux ip command: show and configure network interfaces, assign IP addresses, manage routes, and inspect the ARP table with real examples.
chown Command in Linux: Change File Ownership
Use the chown command in Linux to change file and directory ownership, including recursive changes, symbolic links, and practical ownership examples.
How to Create a systemd Service File in Linux
Create a systemd service file in Linux with step-by-step instructions for unit file structure, service types, restart policies, and service management with systemctl.
Linux Watch Command
Use the watch command in Linux to run commands at regular intervals and monitor output changes in the terminal. Includes interval, highlighting, pipes, and practical examples.
xargs Command in Linux: Usage and Examples
The xargs command builds and executes commands from standard input. This guide covers the most useful xargs options with practical examples.
locate Command in Linux: Find Files Quickly
Search for files and directories by name using the locate command in Linux. Covers installation, database updates, pattern matching, and common options.
How to Truncate Files in Linux: Empty Files Without Deleting
Empty a file without deleting it using shell redirection or the truncate command. Covers permissions, sudo workarounds, and truncating log files.
pgrep Command in Linux: Find and Filter Running Processes
The pgrep command finds running processes by regex pattern, user, terminal, or parent PID and prints matching PIDs. This guide covers exact matching, filtering options, and script-friendly exit checks.
unlink Command in Linux: Remove a Single File
The unlink command removes a single file by deleting its directory entry. This guide explains how to use unlink, how it differs from rm, and what to expect when removing files and symbolic links.
uniq Command in Linux: Remove and Count Duplicate Lines
The uniq command removes or counts duplicate adjacent lines in a file. This guide explains how to filter duplicates, count occurrences, and use uniq with sort in pipelines.
