Would anyone happen to have a link to these? I am curious to read the changes in the final SunOS 4.1 versions and see how it yielded to Solaris during that period. Here is the 4.1.2 version for reference https://vtda.org/docs/computing/Sun/software/800-6645-10_SunOS4.1.2ReleaseManualRevA_Dec91.pdf. Regards, Kevin