The C compiler bundled in SunOS 4.1.1 is a pre-ANSI compiler that accepts the K&R style only. Some old GCC compilers that support SunOS 4 are . Installing SunOS 4.1.1 to Sun3 Emulated in TME 0.8 on Linux. In need of an old SunOS 4 for reference purpose, I've manged to install it to an emulated Sun3 on Ubuntu Linux 10.10 x86 64 as I came . Posted Mar 24, 2011, 12:43 AM. Showing posts 1 - 4. TCP/IP in OS/2 Warp 4.5. Posted Nov 25, 2011, 6:13 AM. Accessing Windows/Samba Shares from OS/2. Showing posts 1 - 2.