%aptent; %aptverbatiment; ]> &apt-author.jgunthorpe; &apt-author.team; &apt-email; &apt-product; 2013-11-25T00:00:00Z apt 8 APT apt APT package -- command-line interface &synopsis-command-apt; Description apt is the command-line tool for handling packages. It provides a commandline interface for the package management of the system. See also &apt-get; and &apt-cache; for more low-level command options. update is used to resynchronize the package index files from their sources. upgrade is used to install the newest versions of all packages currently installed on the system from the sources enumerated in /etc/apt/sources.list. New package will be installed, but existing package will never removed. install is followed by one or more package names desired for installation or upgrading. A specific version of a package can be selected for installation by following the package name with an equals and the version of the package to select. This will cause that version to be located and selected for install. Alternatively a specific distribution can be selected by following the package name with a slash and the version of the distribution or the Archive name (stable, testing, unstable). remove is identical to install except that packages are removed instead of installed. Note that removing a package leaves its configuration files on the system. If a plus sign is appended to the package name (with no intervening space), the identified package will be installed instead of removed. options &apt-cmdblurb; &apt-commonoptions; Differences to &apt-get; The apt command is meant to be pleasant for end users and does not need to be backward compatilbe like &apt-get;. Therefore some options are different: The option DPkgPM::Progress-Fancy is enabled. The option APT::Color is enabled. A new list command is available similar to dpkg --list. The option upgrade has --with-new-pkgs enabled by default. See Also &apt-get; &apt-cache;, &sources-list;, &apt-conf;, &apt-config;, The APT User's guide in &guidesdir;, &apt-preferences;, the APT Howto. Diagnostics apt returns zero on normal operation, decimal 100 on error. &manbugs;