APT (software)

Free software package management system Advanced Package Toolapt installation screen on Linux asking the user for permission to install LibreOffice.DeveloperThe Debian ProjectRelease31 March 1998; 28 years ago (1998-03-31)Stable release3.3.2 / 30 July 2026; 40 days ago (30 July 2026) Written inC++, shell script, XML, CMake, C, Perl Operating systemUnix-likeTypePackage managerLicenseGPLv2+Websitewiki.debian.org/AptCLIRepositorysalsa.debian.org/apt-team/apt.git 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 t