๐ง Linux Series — Part 1
Linux Basics for Beginners
What, Why & First Commands ๐ง
✍️ By Kushal
๐
March 2026
⏱️ 6 min read
Linux powers 96% of the world's servers, all Android phones, and most of the internet — yet most people have never used it. Time to change that. Here's your Part 1 starter guide! ๐
Hey TechOrigin Readers ๐
This is Part 1 of the Linux Basics series. We'll cover what Linux is, the best distros for beginners, the terminal, and essential commands. Part 2 covers the file system, how to install Linux, and career tips. Let's go! ๐
๐ง What is Linux & Why Should You Care?
Linux is a free, open-source operating system — an alternative to Windows or macOS. Unlike those, Linux is transparent, customisable, and community-driven. Anyone can see, modify, and distribute the source code. ๐
Created by Linus Torvalds in 1991 as a hobby project, Linux now runs the world. From NASA to Netflix, from Android to AWS — Linux is literally everywhere. ๐
96%
of world's top web servers run Linux
100%
of top 500 supercomputers use Linux
3B+
Android devices run Linux kernel
FREE
Forever. No licence fees ever ๐
๐ก Why Linux for Cybersecurity?
Tools like Kali Linux, Parrot OS, and BlackArch are all Linux-based. Every major penetration testing tool, SOC platform, and security framework runs on Linux. Want a career in cybersecurity? Linux is non-negotiable! ๐ก️
๐ฆ Best Linux Distros for Beginners
Linux comes in many "flavours" called distributions (distros). Here are the best ones to start with ๐
๐
Ubuntu — Best for Beginners
Most popular Linux distro. Huge community, tons of tutorials, easy to install. Perfect starting point — think of it as the "Windows" of Linux world. ๐
๐
Kali Linux — Best for Cybersecurity
Comes pre-loaded with 600+ security tools. Used by ethical hackers worldwide. Don't start here though — learn Ubuntu basics first! ๐
๐
Linux Mint — Smoothest Windows Transition
Looks and feels most like Windows. Great for people switching from Windows who want a familiar interface. Rock solid and beginner friendly. ๐ช
๐ฆ
Parrot OS — Lightweight Security Distro
Like Kali but lighter and more privacy focused. Great for older hardware. Very popular in the Indian cybersecurity community! ๐ฎ๐ณ
๐ป The Terminal — Your Best Friend in Linux
The Terminal is where the real power of Linux lives. It looks scary at first — just a black screen with a blinking cursor — but once you get it, you'll feel like a wizard. ๐ง
kushal@techorigin:~$
kushal@techorigin:~$ whoami
kushal
kushal@techorigin:~$ pwd
/home/kushal
kushal@techorigin:~$ ls
Desktop Documents Downloads Pictures Videos
kushal@techorigin:~$ █
⌨️ 12 Essential Linux Commands Every Beginner Must Know
Master these and you'll be comfortable in any Linux environment ๐
Command
What it Does
Example
pwdShow current directory/home/kushal
lsList files & foldersls -la
cdChange directorycd Documents
mkdirCreate new foldermkdir myfolder
cpCopy filescp file.txt backup/
mvMove or rename filesmv old.txt new.txt
rmDelete filesrm file.txt
catDisplay file contentscat notes.txt
grepSearch inside filesgrep "error" log.txt
chmodChange file permissionschmod 755 script.sh
sudoRun as administratorsudo apt update
manShow command manualman ls
⚠️ Be Careful with rm!
rm -rf / will delete EVERYTHING on your system with no recovery. Linux has no Recycle Bin — deletions are permanent. Always double-check before hitting Enter! ๐ฌ
That's Part 1 done! ๐
In Part 2 we cover the Linux File System, 3 ways to install Linux today (including on your Android!), and Linux for cybersecurity career. Stay tuned! ๐ง๐ฅ
