“Advanced Package Tool” :

Package manager developed by “The Debian project” association and released freely under the GPL open source license .

As for Unix-like operating systems based on Debian ( such as Ubuntu or Linux Mint ) , it automates the process of :

  • installing new packages or removing existing ones
  • updating packages lists
  • upgrading each package of these lists
  • displaying detailed information about a given package , synthesized from a /etc/apt/sources.list file

( Knowing that a package is an archive containing metadata , files and dependencies lists related to a software )

In particular , by means of two types of command tools ; apt-get and apt-cache .

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