[Info-vax] CRTL and RMS vs SSIO

[Arne Vajhøj]

On 10/14/2021 10:10 PM, Lawrence D’Oliveiro wrote:
> On Friday, October 15, 2021 at 2:36:27 PM UTC+13, Arne Vajhøj wrote:
>> On 10/14/2021 9:11 PM, Lawrence D’Oliveiro wrote:
>>> And VMS can do the same thing. All the compatibility stuff can live in userland.
>>
>> I am having a hard time seeing: VMS scheduling, VMS memory protection,
>> VMS clustering, ...
> 
> None of which are relevant, because Linux already offers better functionality in all those areas.

All of which are relevant, because without them it would not be VMS.

>> DECnet, LAT ...
> 
> They can be implemented in userland. If Netatalk can implement AppleTalk entirely in userland, why not them?

DECnet is a bit possessive with NIC's - first thing it does is to change
the MAC address.

>> ... device handling ...
> 
> Unneeded, since Linux already has the needed device drivers.

Not enough for existing code and scripts to work.

>> ... ODS-2 & ODS-5 ...
> 
> New filesystems don’t have to be implemented as kernel modules, they could be done via FUSE.

Maybe.

>> 4 mode logicals etc ...
> 
> Name services can be provided via a daemon communicating via, e.g. D-Bus. PF_UNIX sockets allow you to control access based on the credentials of the process you are talking to.

Maybe.

Arne