[TUHS] UNIX of choice these days?

Derek Fawcus dfawcus+lists-tuhs at employees.org
Mon Sep 25 21:14:08 AEST 2017


On Mon, Sep 25, 2017 at 05:58:23AM -0400, Steve Nickolas wrote:
> 
> If I were designing an OS, only the bare minimum number of system calls 
> would be implemented in the kernel (stuff like open, close, seek, read, 
> write, and create/kill process) and everything else would be implemented 
> in library... I don't know how that would stack up against Unix in the 
> day, or *x these days, but I daresay it probably would have fewer system 
> calls than MS-DOS 2.0.

Not all later developed OS's had loads of calls.

One I used in the 90's (FlexOS) only had 40, having started around 84/85?
with 41 (when known as Concurrent DOS-286).

DF



More information about the TUHS mailing list