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Mac System Software 4.x
| Version of Mac System Software | |
 | |
 | |
| Version | 4.x |
|---|---|
| Architecture | 68k |
| Release date | 1987-01 |
| Support end | 1987-11-01 |
Mac System Software 4.x is a version of the Mac System Software released by Apple in January 1987. AppleShare, or a file server with networking services, was included in this version, and color support was also added for the first time.
List of known builds[edit | edit source]
Available build Confirmed build Unconfirmed build Fake build 4.0 (Beta)[edit | edit source]
4.0[edit | edit source]
4.1[edit | edit source]
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