
We will now discuss the contents of this file and it's different sections. This is the list we want on our system: $ cat /etc/apt/sources.listĭeb bullseye main non-free contrib deb-src bullseye main non-free contribĭeb bullseye-security main contrib non-free deb-src bullseye-security main contrib non-free sources.list file can vary depending on various factors (from which medium the Debian was installed, was it updated from previous release, etc.) The file ' /etc/apt/sources.list' in Debian contains the list of the 'sources' from which the packages can be obtained. APT is mainly used by its command-line tools, but there are also GUI tools available. It delegates the actual installation and removal of packages to dpkg - low level core Debian Package tool.

APT stands for Advanced Package Tool and it is a set of tools for managing Debian packages, and therefore all of the applications installed on your Debian system.ĪPT is used to install, update or remove applications and packages.ĪPT is capable of resolving dependency problems and retrieving requested packages from package repositories. What is APT manager and it’s sources.listĪPT is the package manager used in Debian and its derivatives.
