====== Package Management ======
 
Install packages: 
  sudo apt-get install <package>

Remove packages: 
  sudo apt-get remove <package>

Update package list:
  sudo apt-get update

Upgrade installed packages: 
  sudo apt-get upgrade

Search for packages: 
  apt-cache search <keyword>

Show package information: 
  apt-cache show <package>

Clean up package cache: 
  sudo apt-get clean

Remove unused packages: 
  sudo apt-get autoremove