I have a full install of Slack 8 with some extra programs in the /usr
directory.  A df shows I have the following size file systems.
/home is a 30 G drive.  If you install KDE and Gnome they now use the /opt
directory.

Filesystem           1k-blocks      Used Available Use% Mounted on
/dev/hda1              1793768   1479688    222960  87% /
/dev/hde1               512012    378020    133992  74% /opt
/dev/hde2               308432    107208    201224  35% /var
/dev/hde3               237876     32848    205028  14% /tmp

Joseph Key