Debian Package(dpkg)

• Package files have a .deb suffix and the DPKG database resides in /var/lib/dpkg directory.
• Naming convention for a binary file: _-_.deb </code>
• List all packages installed:
  dpkg -l
  
• List files installed in the package:
  dpkg -L {package}
  
• Show a package’s information:
  dpkg -s {package}
  
• To install or upgrade a package:
  sudo dpkg -i {package}
  
• To remove a package, but keep its config file:
  sudo dpkg -r {package}
  
• To remove a package including its config file:
  sudo dpkg -P {package}
  
• To find what package a file belongs to:
  dpkg -S {file_name}