资料来源 : Free On-Line Dictionary of Computing

System 7.5
     
         A version of {Mac OS}, the latest release as
        of Oct 1996 was 7.5.5.  Superseded by Mac OS 7.6 around March
        1997.
     
        {Mac OS home (http://www.macos.apple.com/)}.
     
        [Dates?  Features?]
     
        (1997-03-23)