$ df -HT
Filesystem    Type    Size  Used Avail Use% Mounted on
/dev/hdc2     ext3    2.1G  1.3G  691M  65% /
/dev/hdc5     ext3    8.3G  6.8G  1.1G  86% /export
none         tmpfs     15M     0   15M   0% /dev/shm

$ df
Filesystem           1k-blocks      Used Available Use% Mounted on
/dev/hdc2              2016044   1238468    675164  65% /
/dev/hdc5              8119744   6565832   1141448  86% /export
none                     15060         0     15060   0% /dev/shm

$ df -ke
df: invalid option -- e
Try `df --help' for more information.

$ gcc -dumpmachine
i386-redhat-linux