Practical Linux Tutorials and Command-Line Guides

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Using the curl command in Linux to transfer data and query APIs

Jul 12, 2026 • 11 min read

curl Command in Linux: Usage and Examples

The curl command transfers data to and from servers using HTTP, HTTPS, FTP, and other protocols. This guide covers downloads, headers, POST requests, verbose debugging, proxies, and API usage.

GZ file icon beside the text unzip .gz file on a yellow background

Jul 17, 2026 • 4 min read

How to Unzip a .gz File in Linux

Unzip a .gz file in Linux with gzip or gunzip, keep the original file when needed, and extract .tar.gz archives with tar.

Using the rsync command to sync files and directories in Linux

Oct 8, 2026 • 10 min read

Rsync Command in Linux with Examples

Use rsync to sync files and directories locally or over SSH. Covers common options, dry runs, exclusions, mirroring, and troubleshooting.

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Oct 14, 2026 • 8 min read • new

git switch: Switch and Create Branches

Switch Git branches, create new branches, track remote branches, and handle uncommitted changes with practical git switch examples.

A HEAD marker moving between two Git branch tracks with the git switch command

Oct 14, 2026 • 10 min read

tmux Command in Linux: Sessions, Windows, and Panes

The tmux command lets you run persistent terminal sessions with multiple windows and panes. This guide covers creating and managing sessions, splitting panes, copy mode, and configuration.

Using tmux to manage terminal sessions, windows, and panes in Linux

Oct 14, 2026 • 8 min read

How to Use Nano, the Linux Command Line Text Editor

Learn the essential nano commands and keyboard shortcuts: open, save, and exit files, search and replace text, copy and paste, and use sudo nano to edit system files.

Oct 12, 2026 • 9 min read • series

Bash Comparison Operators: Equal, Not Equal, Greater Than

Compare numbers and strings in Bash with -eq, -ne, -gt, == and !=. Covers not equal checks, greater-than tests, and when to use [ ], [[ ]], or (( )).

Bash comparison operators used in shell conditionals

Oct 12, 2026 • 6 min read

Hard Link vs Symbolic Link in Linux: Symlinks and Inodes Explained

Symlink vs hard link in Linux: a hard link is a second name for the same inode, and a symlink stores a path to another file. See when each one breaks and which to use.

Comparing hard links and symbolic links in Linux with inodes

Oct 12, 2026 • 10 min read • new

Best Terminal File Managers for Linux

Compare Midnight Commander, Yazi, ranger, lf, and nnn, with installation commands, screenshots, and practical advice for choosing a Linux terminal file manager.

Two terminal file browser panes with folders and a file being copied between them

Oct 11, 2026 • 11 min read • series

Bash Strict Mode: set -euo pipefail Explained

A practical guide to Bash strict mode: how set -e, set -u, set -o pipefail, and IFS change script behavior, why they catch silent failures, and when to turn them off.

Enabling Bash strict mode with set -euo pipefail at the top of a shell script

Oct 10, 2026 • 11 min read • new • series

How to Use an SSH Jump Host with ProxyJump

Connect to private servers through an SSH jump host with ssh -J and ProxyJump. Configure keys, copy files, forward ports, and restrict the bastion account.

Laptop connected through an SSH jump host to two private servers

Oct 10, 2026 • 7 min read

exFAT on Linux: Mount and Use exFAT Drives on Ubuntu

Linux reads and writes exFAT through a built-in kernel driver. Mount exFAT USB drives and SD cards on Ubuntu, add an fstab entry, format with exfatprogs, and fix 'unknown filesystem type' errors.

Oct 10, 2026 • 12 min read • series

Bash if, elif, and else Statements: Syntax and Examples

Write Bash conditionals with if, if else, and elif blocks. Covers test operators, file checks, commands as conditions, && and || chains, and one-line if syntax.