apt-mark man page on ElementaryOS

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APT-MARK(8)			      APT			   APT-MARK(8)

       apt-mark - mark/unmark a package as being automatically-installed

       apt-mark [-f=filename] {auto | manual | showauto | showmanual} pkg...
		| {-v | --version} | {-h | --help}

       apt-mark will change whether a package has been marked as being
       automatically installed.

       When you request that a package is installed, and as a result other
       packages are installed to satisfy its dependencies, the dependencies
       are marked as being automatically installed. Once these automatically
       installed packages are no longer depended on by any manually installed
       packages, they will be removed by e.g.  apt-get or aptitude.

	   auto is used to mark a package as being automatically installed,
	   which will cause the package to be removed when no more manually
	   installed packages depend on this package.

	   manual is used to mark a package as being manually installed, which
	   will prevent the package from being automatically removed if no
	   other packages depend on it.

	   hold is used to mark a package as held back, which will prevent the
	   package from being automatically installed, upgraded or removed.
	   The command is only a wrapper around dpkg --set-selections and the
	   state is therefore maintained by dpkg(1) and not affected by the
	   --file option.

	   unhold is used to cancel a previously set hold on a package to
	   allow all actions again.

	   showauto is used to print a list of automatically installed
	   packages with each package on a new line. All automatically
	   installed packages will be listed if no package is given. If
	   packages are given only those which are automatically installed
	   will be shown.

	   showmanual can be used in the same way as showauto except that it
	   will print a list of manually installed packages instead.

	   showhold is used to print a list of packages on hold in the same
	   way as for the other show commands.

       -f=filename, --file=filename
	   Read/Write package stats from the filename given with the parameter
	   filename instead of from the default location, which is
	   extended_status in the directory defined by the Configuration Item:

       -h, --help
	   Show a short usage summary.

       -v, --version
	   Show the program version.

       -c, --config-file
	   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(5) for syntax

       -o, --option
	   Set a Configuration Option; This will set an arbitrary
	   configuration option. The syntax is -o Foo::Bar=bar.	 -o and
	   --option can be used multiple times to set different options.

	   Status list of auto-installed packages. Configuration Item:


       apt-mark returns zero on normal operation, non-zero on error.

       APT bug page[1]. If you wish to report a bug in APT, please see
       /usr/share/doc/debian/bug-reporting.txt or the reportbug(1) command.

       Mike O'Connor

       APT team

	1. APT bug page

APT 1.0.1ubuntu2		 09 June 2012			   APT-MARK(8)

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