[Info-vax] CRTL and RMS vs SSIO

[Lawrence D’Oliveiro]

On Saturday, October 16, 2021 at 6:52:27 AM UTC+13, Simon Clubley wrote:
> On 2021-10-14, Lawrence D?Oliveiro <lawren... at gmail.com> wrote: 
>> On Friday, October 15, 2021 at 7:32:33 AM UTC+13, Simon Clubley wrote: 
>>> Unlike the Unix shells you are clearly thinking of, DCL provides services 
>>> to a program directly while the program is running. 
>> 
>> The same thing can be done from a separate thread or process. 
> 
> Not with how DCL is currently implemented. 

We don’t have to implement it that way. All I think we need to care about is that existing user-mode code will work, and existing DCL command procedures will work. All the rest can be dumped. So our compatibility layer provides enough of existing DCL behaviour to satisfy these goals, and no more.