Package Management
sudo pacman -Syu
Update the system and upgrade all packages.
sudo pacman -S package_name
Install a package.
sudo pacman -R package_name
Remove a package.
System Information
uname -a
Show system information.
df -h
Display disk usage in human-readable format.
User Management
useradd username
Create a new user.
passwd username
Set or change a user's password.
Networking
ip a
Show network interfaces.
ping google.com
Check internet connectivity.