aptitude

Debian and Ubuntu package management utility. More information: https://manpages.debian.org/latest/aptitude/aptitude.8.html.

• Synchronize list of packages and versions available. This should be run first, before running subsequent aptitude commands:
  aptitude update
• Install a new package and its dependencies:
  aptitude install {{package}}
• Search for a package:
  aptitude search {{package}}
• Search for an installed package (?installed is an aptitude search term):
  aptitude search '?installed({{package}})'
• Remove a package and all packages depending on it:
  aptitude remove {{package}}
• Upgrade installed packages to the newest available versions:
  aptitude upgrade
• Upgrade installed packages (like aptitude upgrade) including removing obsolete packages and installing additional packages to meet new package dependencies:
  aptitude full-upgrade
• Put an installed package on hold to prevent it from being automatically upgraded:
  aptitude hold '?installed({{package}})'