>df   [shows the mount table on a local workstation] df=disk free.
>ls -lh would show you the block size if you looked at a directory


Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/hda3              6297280    242980   6054300   4% /
/dev/hda1                31077      4823     24650  17% /boot
/dev/hda5              8393664   2479580   5914084  30% /usr
/dev/hda6              8393664    848216   7545448  11% /opt
/dev/hda7               104380     44368     60012  43% /tmp
/dev/hda8              5542216    469084   5073132   9% /var/log
shaula:/usr/lib/perl5
                       9469152   2656736   6323640  30% /usr/lib/perl5
shaula:/usr/lib/python2.4
                       9469152   2656736   6323640  30% /usr/lib/python2.4
shaula:/usr/lib/ruby   9469152   2656736   6323640  30% /usr/lib/ruby
shaula:/var/spool/mail
                      18930944   3978760  13975032  23% /var/spool/mail
shaula:/export/staff  75684088  25610144  46167336  36% /mnt/shaula/staff
shaula:/export/students
                      64861488  12297560  49215984  20% /mnt/shaula/students
s4100:/share/DrQueue 77371252437321868667518976         0 77371252437321868667518976   0% /mnt/s4100/drqueue
shaula:/usr/local/drqueue
                       9469152   2656736   6323640  30% /usr/local/drqueue