Someone

# cat /etc/fstab
# Device                Mountpoint      FStype  Options         Dump    Pass#
/dev/ad4s1b             none            swap    sw              0       0
/dev/ad4s1a             /               ufs     rw              1       1
/dev/ad4s1e             /tmp            ufs     rw              2       2
/dev/ad4s1f             /usr            ufs     rw              2       2
/dev/ad4s1d             /var            ufs     rw              2       2
/dev/acd0               /cdrom          cd9660  ro,noauto       0       0


# disklabel /dev/ad6s1
# /dev/ad6s1:
8 partitions:
#        size   offset    fstype   [fsize bsize bps/cpg]
  a:  1048576        0    4.2BSD     2048 16384     8
  b:  4141712  1048576      swap
  c: 240107427        0    unused        0     0         # "raw" part, don't edit
  d:  4167680  5190288    4.2BSD     2048 16384 28552
  e:  1048576  9357968    4.2BSD     2048 16384     8
  f: 229700883 10406544    4.2BSD     2048 16384 28552

# fdisk ad6
******* Working on device /dev/ad6 *******
parameters extracted from in-core disklabel are:
cylinders=238216 heads=16 sectors/track=63 (1008 blks/cyl)

Figures below won't work with BIOS for partitions not in cyl 1
parameters to be used for BIOS calculations are:
cylinders=238216 heads=16 sectors/track=63 (1008 blks/cyl)

Media sector size is 512
Warning: BIOS sector numbering starts with sector 1
Information from DOS bootblock is:
The data for partition 1 is:
sysid 165 (0xa5),(FreeBSD/NetBSD/386BSD)
    start 63, size 240107427 (117239 Meg), flag 80 (active)
        beg: cyl 0/ head 1/ sector 1;
        end: cyl 1023/ head 254/ sector 63
The data for partition 2 is:
<UNUSED>
The data for partition 3 is:
<UNUSED>
The data for partition 4 is:
<UNUSED>



[root@opti ~]# mount /dev/ad6s1f /mnt
mount: /dev/ad6s1f: Operation not permitted
[root@opti ~]#