Bob Armstrong wrote: It also forks of separate processes Yeah, but John Wilson is famous for writing E11 all in assembly language and for DOS. It runs right on the bare metal, or silicon in this case. If there's any multi-processing going on, he must have implemented his own. Yup. Didn't say he was using the C library. However, MIM is running on a Linux box. And yes, he is rolling his own code to make the system calls to Linux from assembler. Actually, I believe the different hardware instances are threads, and not forks. Johnny