SYNOPSIS

       apt-cache [-hvsn] [-o=config string] [-c=file] {[add file...] |
                 [gencaches] | [showpkg pkg...] | [showsrc pkg...] | [stats] |
                 [dump] | [dumpavail] | [unmet] | [search regex] |
                 [show pkg...] | [depends pkg...] | [rdepends pkg...] |
                 [pkgnames prefix] | [dotty pkg...] | [policy pkgs...] |
                 [madison pkgs...]}


       apt-cache  APT apt-cache

       -h --help

       add file(s)
          add

       gencaches
          gencaches apt-get check sources.list(5) /var/lib/dpkg/status

       showpkg pkg(s)
          showpkg      () apt-cache showpkg libreadline2

             Package: libreadline2
             Versions: 2.1-12(/var/state/apt/lists/foo_Packages),
             Reverse Depends:
               libreadlineg2,libreadline2
               libreadline2-altdev,libreadline2
             Dependencies:
             2.1-12 - libc5 (2 5.4.0-0) ncurses3.0 (0 (null))
             Provides:
             2.1-12 -
             Reverse Provides:
          libreadline2  version 2.1-12  libc5  ncurses3.0 libreadline2
          libreadlineg2  libreadline2-altdev  libreadline2  libreadline2
          libc5, ncurses3.0, ldso  libreadlineg2  libreadline2-altdev   apt

       stats
          stats

             o

             o

             o    ( )  Debian GNU/Linux  "mail-transport-agent"
                "mail-transport-agent"  "mail-transport-agent"

             o     Debian GNU/Linux "X11-text-viewer" "X11-text-viewer"  xless

             o     Debian GNU/Linux  debconf  debconf-tiny

             o      ()


       unmet
          unmet

       show pkg(s)
          show dpkg --print-avail

       search regex [ regex ... ]
          search --full show --names-only


            and

       depends pkg(s)
          depends

       rdepends pkg(s)
          rdepends

       pkgnames [ prefix ]
           --generate

       dotty pkg(s)
          dotty [1]GraphViz  dotty     APT::Cache::GivenOnly



          ) dotty

       policy [ pkg(s) ]
          policy

       madison /[ pkg(s) ]
          apt-cache madison Debian madison madison  APT  (APT::Architecture)


        -f-,--no-f, -f=no

       -p, --pkg-cache
             - Dir::Cache::pkgcache

       -s, --src-cache
           gencaches  - Dir::Cache::srcpkgcache

       -q, --quiet
           -    2  q  -q=#    - quiet

       -i, --important
           - unmet    - APT::Cache::Important

       -f, --full
          search   - APT::Cache::ShowFull

       --recurse
          depends rdepends   - APT::Cache::RecurseDepends

       --installed

          depends rdepends    - APT::Cache::Installed

       -h, --help


       -v, --version


       -c, --config-file
           apt.conf(5)

       -o, --option
           -o Foo::Bar=bar


       /etc/apt/sources.list
            - Dir::Etc::SourceList

       /var/lib/apt/lists/
          sources.list(5)    - Dir::State::Lists

       /var/lib/apt/lists/partial/
            - Dir::State::Lists ()


       apt.conf(5), sources.list(5), apt-get(8)


       apt-cache  0   100


       [2]APT   APT /usr/share/doc/debian/bug-reporting.txt reportbug(1)


        <nabetaro@debian.or.jp> (2003-2006), Debian JP Documentation ML
       <debian-doc@debian.or.jp>

AUTHORS

       Jason Gunthorpe
          Author.

       APT team
          Author.

REFERENCES

       1. GraphViz
          http://www.research.att.com/sw/tools/graphviz/