Joe:~# umount /dev/hda
umount: /dev/hda: not mounted
Joe:~# umount /dev/hda1
umount: /dev/hda1: not mounted
Joe:~# umount /dev/hda2
umount: /dev/hda2: not mounted
Joe:~# mount /dev/hda2 /mnt/win
mount: /dev/hda2 already mounted or /mnt/win busy
Joe:~# mount /dev/hda2 windows
mount: mount point windows does not exist
Joe:~# mount /dev/hda2 /windows
mount: /dev/hda2 already mounted or /windows busy
Joe:~# mount /dev/hda1 /mnt/usb
mount: /dev/hda1 already mounted or /mnt/usb busy
Joe:~# mount /dev/hda1 /mnt/win
mount: /dev/hda1 already mounted or /mnt/win busy
Joe:~#