APT (software)
free software package management system
Advanced Package Tool (APT) is a free-software user interface that works with core libraries to handle the installation and removal of software on Debian and Debian-based Linux distributions. APT simplifies the process of managing software on Unix-like computer systems by automating the retrieval, configuration and installation of software packages, either from precompiled files or by compiling source code.
Usage
APT is a collection of tools distributed in a package named apt. A significant part of APT is defined in a C++ library of functions; APT also includes command-line programs for dealing with packages, which use the library. Three such programs are apt, apt-get and apt-cache. They are commonly used in examples because they are simple and ubiquitous. The apt package is of "important" priority in all current Debian releases, and is therefore included in a default Debian installation. APT can be considered a front end to dpkg, friendlier than the older dselect front end. While dpkg performs actions on individual packages, APT manages relations (especially dependencies) between them, as well as sourcing and management of higher-level versioning decisions such as release tracking and Upgrade Suppression.
APT is often hailed as one of Debian's best features, which Debian developers attribute to the strict quality controls in Debian's policy.
The public source identifies “APT (software)” as free software package management system. This brief keeps that definition visible, then builds a research path around software, free and package.
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The date and method of observation matter as much as the stated conclusion, especially where classification or consensus has changed. The source revision retrieved here is dated Jul 27, 2026. The linked authority identifier is Q230724. None of the 1 selected statements returned an explicit reference.
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This entry incorporates text from “APT (software)” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.