Operating Systems

Microsoft Windows

Windows 11

Linux / Unix / BSD

UNIX and Linux System Administration Handbook

  • UNIX and Linux System Administration Handbook, is today’s definitive guide to installing, configuring, and maintaining any UNIX or Linux system, including systems that supply core Internet and cloud infrastructure.

The Ultimate A To Z List of Linux Commands | Linux Command Line Reference

38 Basic Linux Commands To Learn With Examples

nixCraft: Linux Tips, Hacks, Tutorials, and Ideas

Learning the Linux File System by Joe Collins

Users, Groups and Permissions in Linux by Eli the Computer Guy

LinuxCBT.com provides Comprehensive, Cost-effective Open Source Training

Top 10 Linux Job Interview Questions by tutoriaLinux



Lubuntu is a complete Operating System that ships the essential apps and services for daily use: office applications, PDF reader, image editor, music and video players, etc.

  • Lubuntu is offered in many ISOs for several computers, like standard PC, laptops, Raspberry Pi, PowerPC, etc.
  • Lubuntu works well on slower or older systems.

CentOS Project is a community-driven free software effort. CentOS is effectively a community rebuild from RedHat .srpms.

SUSE Linux Enterprise Server (SLES)