| 1.0 | Integral | ROM based | rom is available on bitsavers, diskettes on winworldplc | Y |
| 1.0 | 500 | | https://en.wikipedia.org/wiki/HP-UX | |
| 1.0 | 800 | | https://caligari.dartmouth.edu/classes/unix1.new/unix.pdf HP-UX 1.0 (S800) november 20, 1986 | |
| 1.1 | 800 | | bitsavers dump - 92452-13303r1.10.bin | Y |
| 1.2 | 800 | | bitsavers dump - 92452-13302r1.20.bin | Y |
| 2.0 | 800 | | https://caligari.dartmouth.edu/classes/unix1.new/unix.pdf HP-UX 2.0 (S800) march 1988 | |
| 2.1 | 800 | | https://caligari.dartmouth.edu/classes/unix1.new/unix.pdf HP-UX 2.1 (S800) july 1988 | |
| 2.1 | 200 | | https://bitsavers.org/pdf/hp/9000_hpux/1986/97089-90008_198607_HP-UX_Concepts_and_Tutorials_Vol3_Programming_Environments.pdf | |
| 2.2 | 200 | | https://bitsavers.org/pdf/hp/9000_hpux/1986/97089-90008_198607_HP-UX_Concepts_and_Tutorials_Vol3_Programming_Environments.pdf | |
| 2.2-L | 200 | probably identical to 2.2 | http://www.bitsavers.org/pdf/hp/9000_200/9000-200_periphSupp_Dec89.pdf | |
| 2.3 | 200 | | https://bitsavers.org/pdf/hp/9000_hpux/1986/97089-90008_198607_HP-UX_Concepts_and_Tutorials_Vol3_Programming_Environments.pdf | |
| 2.4 | 200 | | https://bitsavers.org/pdf/hp/9000_hpux/1986/97089-90008_198607_HP-UX_Concepts_and_Tutorials_Vol3_Programming_Environments.pdf | |
| 3.0 | 800 | | local dump - HP-UX 3.0 (S800) nov. 11, 1988 | Y |
| 3.01 | 800 | | local dump - coreos update | Y |
| 3.1 | 800 | | rewritten tapes ... HP-UX 3.1 feb. 1989 | |
| 4.0 | 500 | | https://bitsavers.org/pdf/hp/9000_hpux/1986/97089-90008_198607_HP-UX_Concepts_and_Tutorials_Vol3_Programming_Environments.pdf | |
| 5.0 | Integral | | local dump | Y |
| 5.0 | 500 | | local dump | Y |
| 5.0 | 300 | | https://bitsavers.org/pdf/hp/9000_hpux/1986/97089-90008_198607_HP-UX_Concepts_and_Tutorials_Vol3_Programming_Environments.pdf | |
| 5.1 | 500 | update on 5.0 | ebay photos, bitsavers' hp-ux sources reports it as 5.11 | |
| 5.2 | 500 | update on 5.0 | ebay photos | |
| 5.1 | 200 | | https://bitsavers.org/pdf/hp/9000_hpux/1986/97089-90008_198607_HP-UX_Concepts_and_Tutorials_Vol3_Programming_Environments.pdf | |
| 5.1 | 300 | installs only on 9000/310 , no 200 support | hpmuseum and bitsavers, the uname reports 5.14 | Y |
| 5.2 | 300 | installs on 68020, haven't tried on 68010 | local dump, uname reports 5.22 | Y |
| 5.3 | 300 | update on top of 5.22 | local dump | Y |
| 5.5 | 300 | | local dump | Y |
| 6.0 | 300 | | local dump | Y |
| 6.21 | 300 | | local dump, uname reports 6.2 | Y |
| 6.5 | 300 | | local dump | Y |
| 7.0 | 300 | | local dump | Y |
| 7.0 | 800 | | local dump | Y |
| 7.02 | 800 | | local dump | Y |
| 7.03 | 300 | | local dump | Y |
| 7.05 | 300 | | local dump | Y |
| 8.0 | 300 | | local dump | Y |
| 8.0 | 800 | | local dump | Y |
| 8.01 | 700 | | dev release | |
| 8.02 | 800 | | local dump | Y |
| 8.04 | 800 | | security release | |
| 8.05 | 700 | | local dump | Y |
| 8.06 | 800 | | mentioned in 007-590-908SW_X5_IA.pdf | |
| 8.07 | 700 | | local dump | Y |
| 8.08 | 800 | | security release | |
| 9.0 | 300 | | local dump | Y |
| 9.0 | 700 | | local dump | Y |
| 9.0 | 800 | | local dump | Y |
| 9.01 | 700 | | local dump | Y |
| 9.02 | 800 | | https://www.openpa.net/hp-ux_unix.html | |
| 9.03 | 700 | | local dump | Y |
| 9.04 | 800 | | local dump | Y |
| 9.05 | 700 | | local dump | Y |
| 9.06 | 800 | | https://www.openpa.net/hp-ux_unix.html | |
| 9.07 | 700 | | local dump | Y |
| 9.08 | 800 | | mentioned in 007-590-908SW_X5_IA.pdf | |
| 9.09 | 700 | | mentioned in 007-590-908SW_X5_IA.pdf | |
| 9.09+ | 700 | | mentioned in wikipedia | |
| 9.10 | 300 | | local dump | Y |