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apt-get search dpkg
apt-get install dpkg

primer za xmms

dpkg -L xmms

To list packages related to the editor vi:
dpkg -L '*vi*'

To see the entries in /var/lib/dpkg/available on two packages:
dpkg --print-avail elvis vim | less

To search the listing of packages yourself:
less /var/lib/dpkg/available

To remove an installed elvis package:
dpkg -r elvis

To install a package, you first need to find it in an archive or CDROM. The "available" file shows that the vim package is in section "editors":
cd /cdrom/hamm/hamm/binary/editors dpkg -i vim_4.5-3.deb

To make a local copy of the package selection states:
dpkg --get-selections >myselections

You might transfer this file to another computer, and install it there with:
dpkg --set-selections <myselections

man dpkg