[ Thanks to dave for
this link. ]
“Synaptic is a graphical user interface (GUI) for
managing software packages on Debian-based distributions. If you
are using Debian or Ubuntu you will easily find Synaptic in the
System Tools menu or in the Administration menu. Synaptic uses the
GTK graphic libraries . So, if you are using GNOME on your
debian-based distro you will probably have Synaptic installed as
well. Synaptic is a graphical package management program for apt.
It provides the same features as the apt-get command line utility
with a GUI front-end based on Gtk+.“Now we will see how to add repositories,install,remove and
update software packages“Adding repositories Using Synaptic
“To Open Synaptic Package manager go to
System—>Administration—>Synaptic package manager”