Linux Guide 🐧

Command Line & System Management

1. What is Linux?

Linux is an open-source operating system widely used for servers, cloud computing, and development.

2. Basic Commands

ls → list files
cd → change directory
pwd → current path
mkdir → create folder
rm → delete file

3. File Operations

cp file1 file2
mv file1 file2
cat file.txt

4. Permissions

chmod 777 file
chown user file

5. Process Management

ps
top
kill PID

6. Networking

ping google.com
ifconfig
netstat

7. Package Management

sudo apt update
sudo apt install nginx

8. Real Use Cases