ZATARA:/home/my007ms# aptitude install irssi
Reading package lists... Done
Building dependency tree... Done
Reading extended state information
Initializing package states... Done
Writing extended state information... Done
Reading task descriptions... Done
Building tag database... Done
The following packages are unused and will be REMOVED:
  gnome-system-tools system-tools-backends unzip zip
The following NEW packages will be installed:
  irssi
0 packages upgraded, 1 newly installed, 4 to remove and 0 not upgraded.
Need to get 1060kB of archives. After unpacking 7018kB will be freed.
Do you want to continue? [Y/n/?]