Re: [TUHS] Unix, IBM, 370

This looks awesome. The readme says it's unsure if this is v6 or v7. Diff of a few files suggests v6 with the 'u' area being a pointer instead of a struct and a few of the elements names changed a bit... The dates are from 1976 or 1977, which also matches... And we have this from wikipedia: "By 1976, the operating system was in use at various academic institutions, including Princeton <https://en.wikipedia.org/wiki/Princeton_University>, where Tom Lyon and others ported it to the S/370, to run as a guest OS under VM/370 <https://en.wikipedia.org/wiki/VM_(operating_system)>." which matches the dates as well found on the tape. This is seriously cool. There are a few corrupted files (like dsk.h). Kernel sources are there, but there's no userland programs apart from the assembler and C compiler. Looking at the kernel dskio.s routines suggests it's making an upcall to something with the sio instructions which suggests this is the VM/370 version. The hits keep coming! Warner On Mon, Oct 28, 2019 at 10:04 PM Warren Toomey &lt;wkt(a)tuhs.org&gt; wrote: