Linux is the backbone of modern infrastructure. Whether you’re running servers, containers, or automation pipelines, mastering the command line is non-negotiable.
🔹 Core Commands
ls -la # list files
cd /path # change directory
pwd # print working directory
🔹 File Management
cp file1 file2
mv file1 /new/location
rm -rf folder/
🔹 System Monitoring
top
htop
df -h
free -m
🔹 Permissions
chmod 755 file.sh
chown user:user file