Someone

fdisk
******* Working on device /dev/ad0 *******
parameters extracted from in-core disklabel are:
cylinders=79780 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=79780 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 80405262 (39260 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>


eb3# df
Filesystem  1K-blocks    Used    Avail Capacity  Mounted on
/dev/ad0s1a    507630   56154   410866    12%    /
devfs               1       1        0   100%    /dev
/dev/ad0s1e    507630      14   467006     0%    /tmp
/dev/ad0s1f  34654466  739090 31143020     2%    /usr
/dev/ad0s1d   1762414 1638582   -17160   101%    /var

bsdlabel /dev/ad0s1
# /dev/ad0s1:
8 partitions:
#        size   offset    fstype   [fsize bsize bps/cpg]
  a:  1048576        0    4.2BSD     2048 16384     8 
  b:  3094176  1048576      swap                    
  c: 80405262        0    unused        0     0         # "raw" part, don't edit
  d:  3643392  4142752    4.2BSD     2048 16384 28552 
  e:  1048576  7786144    4.2BSD     2048 16384     8 
  f: 71570542  8834720    4.2BSD     2048 16384 28552