[Info-vax] OpenVMS app development, kitting
Simon Clubley
clubley at remove_me.eisner.decus.org-Earth.UFP
Thu Nov 25 08:16:49 EST 2021
On 2021-11-24, Dave Froble <davef at tsoft-inc.com> wrote:
>
> As I read posts here in c.o.v, some of which deplore some of the parts of VMS,
> as in the recent discussion about ASTs and the R0,R1,etc arguments, I have to
> wonder what might happen to an "open" VMS. Might some of the fanatical
> "do-gooders" start upgrading or replacing some of the things that makes VMS
> upward compatible? Might some C programmers decide they didn't need Macro-32,
> Basic, Fortran, Cobol, and such? Might the desire for OO make many existing
> applications no longer usable? Where might such a thing go?
>
Due to the monolithic mass of integrated code which is _not_ cleanly
broken into clean interfaces, upgrading the internals of VMS is massively
harder than doing the same things elsewhere.
For one really simple example, adding a new filesystem to Linux is easy
(and can be done by end user organisations) because Linux has a nice
clean internal filesystem architecture.
VMS is a monolithic ugly mass of intertwined filesystem code by comparison.
Simon.
--
Simon Clubley, clubley at remove_me.eisner.decus.org-Earth.UFP
Walking destinations on a map are further away than they appear.
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