APT team "> QA Page "> Bugs APT bug page. If you wish to report a bug in APT, please see /usr/share/doc/debian/bug-reporting.txt or the &reportbug; command. "> Author APT was written by the APT team apt@packages.debian.org. "> Show a short usage summary. Show the program version. Configuration File; Specify a configuration file to use. The program will read the default configuration file and then this configuration file. If configuration settings need to be set before the default configuration files are parsed specify a file with the APT_CONFIG environment variable. See &apt-conf; for syntax information. Set a Configuration Option; This will set an arbitrary configuration option. The syntax is . and can be used multiple times to set different options. Turn colors on or off. Colors are on by default on supported terminals for &apt; and can also be disabled using the NO_COLOR or APT_NO_COLOR environment variables, or further configured by the configuration option and scope, see &apt-conf; for information on that. "> All command line options may be set using the configuration file, the descriptions indicate the configuration option to set. For boolean options you can override the config file by using something like ,, or several other variations. "> /etc/apt/apt.conf APT configuration file. Configuration Item: Dir::Etc::Main. /etc/apt/apt.conf.d/ APT configuration file fragments. Configuration Item: Dir::Etc::Parts. "> &cachedir;/archives/ Storage area for retrieved package files. Configuration Item: Dir::Cache::Archives. &cachedir;/archives/partial/ Storage area for package files in transit. Configuration Item: Dir::Cache::Archives (partial will be implicitly appended) "> /etc/apt/preferences Version preferences file. This is where you would specify "pinning", i.e. a preference to get certain packages from a separate source or from a different version of a distribution. Configuration Item: Dir::Etc::Preferences. /etc/apt/preferences.d/ File fragments for the version preferences. Configuration Item: Dir::Etc::PreferencesParts. "> /etc/apt/sources.list Locations to fetch packages from. Configuration Item: Dir::Etc::SourceList. /etc/apt/sources.list.d/ File fragments for locations to fetch packages from. Configuration Item: Dir::Etc::SourceParts. "> &statedir;/lists/ Storage area for state information for each package resource specified in &sources-list; Configuration Item: Dir::State::Lists. &statedir;/lists/partial/ Storage area for state information in transit. Configuration Item: Dir::State::Lists (partial will be implicitly appended) "> /etc/apt/trusted.gpg Keyring of local trusted keys, new keys will be added here. Configuration Item: Dir::Etc::Trusted. /etc/apt/trusted.gpg.d/ File fragments for the trusted keys, additional keyrings can be stored here (by other packages or the administrator). Configuration Item Dir::Etc::TrustedParts. /etc/apt/keyrings/ Place to store additional keyrings to be used with Signed-By. "> /var/lib/apt/extended_states Status list of auto-installed packages. Configuration Item: Dir::State::extended_states. "> john@doe.org in 2009, 2010 and Daniela Acme daniela@acme.us in 2010 together with the Debian Dummy l10n Team debian-l10n-dummy@lists.debian.org. ">