I remember shared libraries on SunOS 4.x. SunOS 4.x was retroactively renamed to Solaris 1 sometime around the first Solaris 2 (SunOS 5.x) release. I ran it on

I remember shared libraries on SunOS 4.x. SunOS 4.x was retroactively renamed to Solaris 1 sometime around the first Solaris 2 (SunOS 5.x) release. I ran it on both a Sun 3/60 and a Sparc. Up until Solaris 2.4 or so, most folks still preferred the older SunOS.