On 6/3/2020 9:42 AM, Paul Winalski wrote: > The problem is that VMS at the time > didn't have a threads package. I had to roll my own threads by using > the asynchronous system traps (ASTs) delivered by completion of I/O to > the pseudo-terminals. Talk about messy.... That's also how the Sybase SQL Server worked on VMS at the same time. Jon