# major_version = 4 # minor_version = 0 # development_stage = 0x60 (beta) # prerelease_version_level = 18 # region_code = 0x0000 (United States) # version_number = 4.0b19 # version_message = 4.0b19 of 31 May 1988 © 1988 Apple Computer, Inc.