De: http://www.usit.uio.no/it/unix/tru64unix/versions.txt

Version Rev. (mm/yy)
------------------------
HP Tru64 UNIX:
v5.1B 2650 09/02
Compaq Tru64 UNIX:
v5.1A 1885 10/01
v5.1 732 10/00
v5.0A 1094 09/00
v5.0 910 Dept. of astrophysics alphatested it; "do not install.."
v4.0G 1530 10/00
v4.0F 1229
Digital UNIX:
v4.0E 1091 (USB, euro, NetRAIN, Gb ethernet, sys_check, ..)
v4.0D 878 (Y2K, new partitionstables, 100Mb/s, NFS: patchsett #3)
v4.0C 564.32 (=v4.0B + hw drivers. for pws433/500)
V4.0B 564
V4.0A 464
V4.0 386
V3.2G* 62
V3.2F 69.73
V3.2D-2 41.64
V3.2D-1 41
V3.2C 148
V3.2B 214.61
V3.2A 17
V3.2 214
V3.0B 358.78
V3.0 347