$ uname -rsv
HP-UX B.11.00 U
$ aCC -V
aCC: HP ANSI C++ B3910B A.03.27
$ ld -V 2> /dev/null
92453-07 linker command s800.sgs ld PA64 B.11.00 REL 980519

Note: The 32-bit version of TAO was built on a 64-bit version of the OS.

$ uname -rsv
HP-UX B.10.20 A
$ aCC -V
aCC: HP ANSI C++ B3910B A.01.27
$ ld -V 2> /dev/null
ld: 92453-07 linker linker ld B.10.30 980630