root@ttyp1[knoppix]# mount /dev/hda7
root@ttyp1[knoppix]# kwrite /mnt/hda7/etc/fstab

Dell 64mb Usb Memory Key
Mountpoint:/mnt/usb-key
Fstabline:/dev/sdb1 /mnt/usb-key vfat noauto,users,rw 0 0

Maxtor120GB External Hardrive
Mountpoint:/media/hd
Fstab Line:/dev/sda1 /media/hd reiserfs ac1,usr_xattr 1

When you need to umount the external hardrive when finished use

umount /dev/sda1
And the fstab to replace

/dev/hda7 / reiserfs acl,user_xattr 1 1
/dev/hda2 /windows/C ntfs ro,users,gid=users,umask=0002,nls=utf8 0 0
/dev/hda6 swap swap pri=42 0 0
devpts /dev/pts devpts mode=0620,gid=5 0 0
proc /proc proc defaults 0 0
usbfs /proc/bus/usb usbfs noauto 0 0
sysfs /sys sysfs noauto 0 0
/dev/cdrecorder /media/cdrecorder subfs fs=cdfss,ro,procuid,nosuid,nodev,exec,iocharset=ut f8 0 0
/dev/fd0 /media/floppy subfs fs=floppyfss,procuid,nodev,nosuid,sync 0 0
/dev/hda5 /mount/dev/hda5/mnt/1GB_native reiserfs auto,acl,user_xattr 1 2
/dev/cdrom /media/cdrom subfs fs=cdfss,ro,procuid,nosuid,nodev,exec,iocharset=ut f8 0 0