On 9/29/2024 11:15 PM, Lawrence D'Oliveiro wrote: > On Sun, 29 Sep 2024 22:34:04 -0400, Arne Vajhøj wrote: >> But I am pretty sure that it will not work on VMS. > > That’s what I figured. VMS, like Windows, really wants you to use threads. For massive parallel processing on VMS then threads not processes is the way to go. Arne