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- See the file VMSINSTALL for VMS installation information.
-
- * Deficiencies of VMS GNU Emacs
-
- All GNU Emacs features which on Unix work by running a Unix utility
- in a subprocess currently do not work on VMS.
-
- These include reading and sending mail, reading and posting netnews,
- spelling correction, displaying the time and load in the mode line,
- and the `sort-columns' command. (dired and sending output to printers
- don't work in version 18, but will in version 19.) Naturally, the
- commands to view Unix manual pages and execute Unix shell commands
- also do not work.
-
- It is not possible to fix these problems in a general way on VMS
- because they involve interfaces to parts of the operating system which
- work very differently on VMS. Each feature must be reimplemented
- individually.
-
- I hope that someone will send me an implementation for directory listing
- on VMS. This should not be very hard to do. Most of the code you need
- is already provided in [.src]dired.c.
-
- The normal commands for running an inferior shell or lisp with I/O
- through an Emacs buffer do not work on VMS in Emacs version 18, but
- will work in version 19. For the meanwhile, you can create a DCL
- subprocess which does I/O through an Emacs buffer and get a similar
- effect. See the file [.lisp]vms-patch.el.
-
- * Specifying terminal type.
-
- To specify a terminal type for Emacs that is not known to VMS,
- define the logical name EMACS_TERM with the terminal type as value.
- Terminal types are looked up in the termcap data base, which is
- found as the file `[etc]termcap.dat' in the Emacs distribution.
-
- * Specifying file names.
-
- GNU Emacs accepts both Unix and VMS file name syntax. Most Lisp
- code that runs in Emacs uses Unix syntax so it can run everywhere.
- Users on VMS will generally type file names with VMS syntax.
-
- The EMACSLOADPATH logical name, if you use it, should contain
- directory names in Unix syntax, separated by commas.
-
- find-file prompts with the current directory. You can then type a
- relative directory spec to get somewhere else in the hirearchy. For
- instance:
-
- Find File: emacs_library:[src][-.lisp]startup.el
-
- is converted to emacs_library:[lisp]startup.el by
- expand-file-name. The basic rule is:
- ][- is treated like /.. (dir:[file.sub][-.other] ==> dir:[file.other],
- dir:[file.sub][-] ==> dir:[file])
- ][. elides the ][ (dir:[file][.sub] ==> dir:[file.sub])
- ][alpha backs up to the previous [ (dir:[file][other] ==> dir:[other])
- a colon appearing after a ] forces a new "root" disk.
- (dev:[file]dev2:[other] ==> dev2:[other])
- expand-file-name also tries to be smart about decnet node names,
- but this is not yet known to work.
-
- * A possible problem.
-
- For VMS versions 4.4 and up, make sure the file
- SYS$SYSTEM:RIGHTSLIST.DAT has WORLD:R access. Emacs reads this file
- to check file access. If this file does not have appropriate access,
- Emacs may think that you cannot write any files.
-
-
-