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Linux-Unix

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Managing disks and partitions using fdisk, parted, and gdisk.

Last Updated: 05 February 2026

Managing disks and partitions is a critical task in Linux system administration. Whether you are installing a new operating system, expanding storage capacity, or reorgani...read more

Make your IP Address discoverable

Last Updated: 05 February 2026

In Linux, making your IP address discoverable is an essential task when performing network-related activities such as remote access, server hosting, or working with virtua...read more

Configuring shell aliases, environment variables, and the PATH variable

Last Updated: 05 February 2026

Harnessing the full power of the Linux command line involves more than just typing commands. Configuring shell aliases, environment variables, and path variables can signi...read more

An introduction to systemd and its role in the boot process.

Last Updated: 05 February 2026

Systemd, a revolutionary init system and service manager, has transformed the landscape of Linux operating systems. It plays a pivotal role in the boot process, bringing e...read more

Understanding system load and troubleshooting performance issues.

Last Updated: 05 February 2026

System load is a critical metric that reflects the demand on a computer system's resources. In the Linux environment, understanding and troubleshooting performance issues ...read more

Gathering System Information Using Commands Like lscpu, lspci, and lsblk

Last Updated: 05 February 2026

Understanding the intricate details of your system is paramount for effective system administration, troubleshooting, and optimization. Linux provides a set of powerful co...read more

Monitoring System Resources in Linux: top, htop, and free

Last Updated: 05 February 2026

Effectively managing system resources is a cornerstone of maintaining optimal performance in any computing environment. Linux offers a rich set of tools for monitoring res...read more

nohup & disown command in linux

Last Updated: 04 February 2026

In Linux, the nohup (no hang up) command and the disown shell built-in are used to run processes in the background and detach them from the current shell session. This all...read more

Create a Script for Adding Two Numbers

Last Updated: 04 February 2026

Bash scripting is a powerful way to automate tasks and perform various operations in a Linux environment. Here you will learn to create a simple Bash script that takes two...read more

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User CRUD commands

Last Updated: 29 January 2026

Managing users is the foundation of Linux system security. It is not just about typing commands; it is about managing the entries in the system's "database" files: /etc/pa...read more

Working with RegEx

Last Updated: 29 January 2026

Regular Expressions (RegEx) are the "search and replace" on steroids. They allow you to define complex search patterns, such as "find every line that starts with a timesta...read more

User permission commands

Last Updated: 29 January 2026

In Linux, Everything is a file. Because Linux was built as a multi-user system from day one, it uses a strict permission model to ensure users can't accidentally (or malic...read more

sudo, id & su command

Last Updated: 29 January 2026

In Linux, security is built on a strict permission model. By default, standard users are restricted to their own home directories and cannot alter system files or install ...read more

Shell Built-in and Scripting Commands in Linux

Last Updated: 12 January 2026

Shell built-in and scripting commands are mainly used inside the shell to control execution flow, manage variables, automate tasks, and write scripts. These commands are e...read more

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Development and Build Automation Commands in Linux

Last Updated: 07 January 2026

Development and build automation commands in Linux are used to compile source code, generate build files, debug programs, and automate the software build process. These co...read more

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