ns1:/var/log# df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/sda1             189M  141M   48M  75% /
/dev/sda5             1.4G  577M  852M  41% /home
/dev/sda6             863M  674M  190M  79% /usr
/dev/sda3             1.4G  1.3G  110M  93% /var
/dev/sdb1             8.4G  846M  7.6G  10% /mail
/dev/sdc1             6.6G  1.5G  5.1G  23% /www
ns1:/var/log# 
ns1:/var/log# 
ns1:/var/log# 
ns1:/var/log# du -sk 
82919   .