[TUHS] NFS aka the guy who brought up SVr4 on Sun machines

Larry McVoy lm at mcvoy.com
Wed Jan 11 07:43:55 AEST 2017

On Tue, Jan 10, 2017 at 10:40:03PM +0100, Joerg Schilling wrote:
> The nice idea in RFS was that it supported remote devices, but the iotcl 
> handling was a problem in AT&T UNIX before SVr4 ??? added a flag to tell 
> whether the data source was in kernel or userland. I am not sure wether RFS 
> had a concept like XDR for ioctls.

I believe it did not.

> The funny thing: RFS was supported in SunOS4, but not in SunOS-5.

And Howard Chartok was ecstatic over that decision (he was my office
mate and did the port into SunOS 4.x.  Not one of his favorite projects.)

More information about the TUHS mailing list