<div dir="ltr"><div dir="ltr"><br></div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Tue, Apr 29, 2025 at 1:00 PM Warner Losh <<a href="mailto:imp@bsdimp.com">imp@bsdimp.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">* IP/TCP for DOS (though this was an independent thing, done at MIT,<br>
the licensing material for this product, IIRC, included some kind of<br>
unix permission that confused me at the time, but it may have just<br>
been lawyering to CYA rather than including anything).<br>
</blockquote><div><br></div><div>The PC/IP software from MIT included a port of the "Portable C Compiler" to generate 8086-era code. It ran on a Unix machine and built binaries that you downloaded to the PC. So you need an ATT source license to get the full PCIP dev kit.</div><div> <br></div></div></div>