VMS history

Version Time Features (excluding HW support)
1.0 1978 first non-beta version
1.5 1978
2.0 1980 basic file utilities moved from RSX PIP to native
2.1
2.2 1981
2.3
2.4
2.5 1980
3.0 1982 EDT-editor, MONITOR, DECnet, standalone BACKUP, ASMP
3.1
3.2
3.3
3.4 1984
3.5 1984
3.6 1984
3.7 1984
4.0 1984 clusters, split of VMSRTL, long filenames, DECnet phase IV, DCL recall/edit, C RTL, XQP, ACL's
4.1 1984
4.2 1985
4.3 1986
4.4 1986 volume shadowing, TPU-editor, SMG$-routines
4.5 1986
4.6 1987
4.7 1987
5.0 1988 SMP, LMF, DCL if-then-else-endif, kernel split, many cluster enhancements
5.1 1989 DECwindows
5.2 1989
5.3 1989
5.4 1990 host-based volume shadowing
5.5 VAX 1991 POSIX, DECthreads, DECnet Phase V
1.0 AXP 1992 first version on Alpha
1.5 AXP 1993 cluster on Alpha, SMP on Alpha
6.0 VAX 1993 VIOC, C2 classification, C++ RTL
6.1 VAX and AXP 1994 PCSI, movefile, XQP+
6.2 VAX and Alpha 1995 management station, DCL$PATH
7.0 VAX and Alpha 1995 64 bit support (Alpha only), kernel threads (Alpha only), fast IO path (Alpha only)
7.1 VAX and Alpha 1996 memory channel (Alpha only), PIPE
7.2 VAX and Alpha 1998 JDK (Alpha only), ODS-5 (Alpha only), COM (Alpha only), Galaxy (Alpha only)
7.3 VAX and Alpha 2000 XFC (Alpha only), CPU hot-swap (Alpha only), Kerberos, XML, LDAP
8.0 I64 2003 ISV only version
8.1 I64 2004 I64 support
8.2 I64 2004 enhanced I64 support
8.3 Alpha and I64 2006

Colour of manuals:

Version Colour
1.x blue
2.x blue
3.x blue
4.x orange
5.x gray
6.x white
7.x blue (G)
red (S)
green (P)

Size of code:

VMS 3.0
0.9 million lines
VMS 5.0
5 million lines
VMS 5.4
6.5 million lines
VMS 7.1
25 million lines

(VMS including DECWindows/Motif and DECnet phase IV excluding DECnet OSI and UCX and PathWorks, counting non-only-comment non-only-blank lines, based mostly on rumours)

VMS page:

Link to VMS page.

Suggestions/reports:

Please email suggestions about new topics and error reports to Arne Vajh°j (arne@vajhoej.dk)

Trademarks:

VMS, OpenVMS, VAX, AXP, DECUS and Encompass are trademarks of HP.