System Software 5.0 & 5.1


System Software 5.0 & 5.1 is an operating system that was designed and developed by Apple in 1987 alongside Apple’s Macintosh computers. System Software 5.0 has been released on October 8, 1987, for the first time as a retail product, and its price started at $49.

The new operating system was distributed on four floppy disks + three floppy discs with manuals. The new software introduces a new multitasking function called “MultiFinder” which provides the possibility to keep applications running in the background.

On November 27, 1987, has been released System Software 5.1 and contained an updated LaserWriter driver, and a new version of the Apple HD SC Setup.

This version of Macintosh System Software has been replaced by System Software 6.0.

Today System Software 5.0 & 5.1 is 34 years old!

System Software 5.0
Source: winworldpc.com – System Software 5.0

System Software 5.0 & 5.1 General Information

ReleasedOctober 8, 1987 (5.0)
November 27, 1987 (5.1)
Original Price$49
System RequirementsMotorola 68000 processor or later
1 MB RAM
DistributionOn four 800 KB floppy disks + three floppy disks with manuals
VersionsSystem Software 5.0 – System 4.2, Finder 6.0, MultiFinder 1.0
System Software 5.1 – System 4.3, Finder 6.0, MultiFinder 1.0

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