【 disktab の例と説明】
Fujitsu M2682SAU:\        
	:ty#winchester:ns#73:nt#9:nc#1048:\
        :pa#45570:oa#0:ta=4.2BSD:ba#8192:\
        :pb#221340:ob#45570:tb=swap:\
        :pc#682248:oc#0:tc=4.2BSD:\
        :pd#363258:od#266910:td=4.2BSD:\
        :pg#52080:og#630168:tg=4.2BSD:

Quantum Lightning 730S:\
        :ty#winchester:ns#63:nt#16:nc#1415:\
        :pa#40320:oa#0:ta=4.2BSD:ba#8192:\
        :pb#362880:ob#40320:tb=swap:\
        :pc#1426320:oc#0:tc=4.2BSD:\
        :pd#705600:od#403200:td=4.2BSD:\
        :pg#317520:og#1108800:tg=4.2BSD:

----以下注釈----
(以下四つの x は a..h が入る)
px  partition x の sector 数
ox  partition x の 開始 offset
tx  partition x の 形式 (4.2BSD|swap|unknown)
bx  partition x の block size

ty  type
ns  number of sectors/track
nt  number of tracks/cylinder
nc  number of total cylinders

sector 数、開始 offset などは cylinder 境界、つまり ns*nt の倍数
のこと

(人間用に分り易い表)
Fujitsu M2682SAU:
    sector    offset   cyl   MB
a     45570        0    70   20  /
b    221340    45570   340   96  swap
c    682248        0  1048  337  (全体)
d    363258   266910   558  160  /usr
g     52080   630168    80   24  /var

Quantum Lightning 730S:
    sector    offset   cyl   MB
a     40320        0    40   20  /
b    362880    40320   360  180  swap
c   1426320        0  1415  710  (全体)
d    705600   403200   700  350  /usr
g    317520  1108800   315  160  /var