On Wed, Feb 22, 2023 at 11:23 AM Robert Clausecker <fuz at fuz.su> wrote: > That's what OpenSolaris was. The bits that weren't open sourced > were the bits they weren't allowed to for licensing reasons, such > as the C compiler. No. OpenSolaris was the SVR4-based Solaris 2. I'm referring to the BSD-based SunOS (e.g., 4.1.4, 4.1.3U1, etc). - Dan C.