Just thought this might help: contents of fstab and group files:

#cat fstab
# /etc/fstab: filesystem table.
#
# filesystem mountpoint type options dump pass
# Main HD part1 Linux OS
/dev/hda1 / ext3 defaults,errors=remount-ro 0 1
# Main HD part3 Linux Swap
/dev/hda3 none swap sw 0 0
#
proc /proc proc defaults 0 0
# Main HD part2 VFAT DOS
/dev/hda2 /gblusr/dosp vfat defaults,user,exec 0 0
# Secondard HD VFAT DOS
/dev/hdc1 /gblusr/dosd vfat defaults,user,exec 0 0
# Remaining devices
/dev/fd0 /floppy vfat defaults,user,noauto,showexec,umask=022 0 0
/dev/cdrom /cdrom iso9660 defaults,ro,user,noexec,noauto 0 0
/dev/cdrom1 /cdrom1 iso9660 defaults,ro,user,noexec,noauto 0 0
/dev/dvd /dvd iso9660 defaults,ro,user,noexec,noauto 0 0
/dev/cdaudio /cdaudio iso9660 defaults,ro,user,noexec,noauto 0 0
# Added by KNOPPIX
/dev/sda /mnt/sda auto noauto,users,exec 0 0


# cat group
root:0:
daemon:1:
bin:2:
sys:3:
adm:4:
tty:5:
disk:6:backup,root,knoppix,mango,cuddles,raz
lp:7:lp
mail:8:
news:9:
uucp:10:
proxy:13:
kmem:15:
dialout:20:knoppix,mango,cuddles,raz
fax:21:knoppix,mango,cuddles,raz
voice:22:knoppix,mango,cuddles,raz
cdrom:24:knoppix,mango,cuddles,raz
floppy:25:knoppix,mango,cuddles,raz
tape:26:knoppix,backup,mango,cuddles,raz
sudo:27:knoppix,mango,cuddles,raz
audio:29:knoppix,mango,cuddles,raz
dip:30:knoppix,mango,cuddles,raz
majordom:31:majordom
postgres:32:
www-data:33:
backup:34:
msql:36:
operator:37:
list:38:
irc:39:
src:40:
gnats:41:
shadow:42:
utmp:43:telnetd
video:44:knoppix,mango,cuddles,raz
staff:50:
games:60:knoppix,mango,cuddles,raz
users:100:knoppix,mango,cuddles,raz
lpadmin:102:
mysql:103:
postfix:104:
postdrop:105:
usb:106:knoppix,mango,cuddles,raz
knoppix:1000:knoppix
nogroup:65534:
comusers:*:11223:knoppix,mango,cuddles,raz
partimag:107:
sasl:*:45:
telnetd:101:
man:*:12:
bind:108:
ssh:109:
sslwrap:1001:
scanner:110:
crontab:111:
cuddles:1003:cuddles
mango:1004:mango
raz:1005:raz
cdrecording:11224:knoppix,mango,cuddles,raz
#

Cuddles