| 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$-routines |
| 4.5 | 1986 | |
| 4.6 | 1987 | |
| 4.7 | 1987 | |
| 5.0 | 1988 | SMP, LMF, DCL if-then-else-endif, kernel split, many cluster enhancements |
| 5.1 | 1989 | DECwindows |
| 5.2 | 1989 | |
| 5.3 | 1989 | |
| 5.4 | 1990 | host-based volume shadowing |
| 5.5 VAX | 1991 | POSIX, DECthreads, DECnet Phase V |
| 1.0 AXP | 1992 | first version on Alpha |
| 1.5 AXP | 1993 | cluster on Alpha, SMP on Alpha |
| 6.0 VAX | 1993 | VIOC, C2 classification, C++ RTL |
| 6.1 VAX & AXP | 1994 | PCSI, movefile, XQP+ |
| 6.2 VAX & Alpha | 1995 | management station, DCL$PATH |
| 7.0 VAX & Alpha | 1995 | 64 bit support (Alpha only), kernel threads (Alpha only), fast IO path (Alpha only) |
| 7.1 VAX & Alpha | 1996 | memory channel (Alpha only), PIPE |
| 7.2 VAX & Alpha | 1998 | JDK (Alpha only), ODS-5 (Alpha only), COM (Alpha only), Galaxy (Alpha only) |
| 7.3 VAX & Alpha | 2000 | XFC (Alpha only), CPU hot-swap (Alpha only), Kerberos, XML, LDAP |
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: