Mac System Software 1.x
| Version of Mac System Software | |
 | |
| Version | 1.x |
|---|---|
| Codename | |
| Preliminary name | |
| Architecture | 68k |
| Latest build | |
| Release date | 1984-01-24 |
| Support end | 1985-04-01 |
Mac System Software 1.0 was released on 1984-01-24 for the Macintosh now called the Macintosh 128K or Mac128K. 4 builds of 1.0 have been leaked ranging from a different GUI called "Flounder", to the Finder. Apple released 1.1 with faster Disk Copy speeds and new Special menu commands. It was released on 1984-12-29.
