Mac System Software 1.0 1983-07-05 build

1983-07-05 build

Build of Mac System Software 1.x
Architecture	68k
Compiled	1983-07-05
Timebomb
Works in
About

The Mac System Software 1.0 1983-07-05 build was found on a Sony 3.5 inch floppy disk and is dated 5 July 1983. The GUI is called Flounder 4.4. It has a picture of a Twiggy disk instead of a Sony disk for the background. The disk is supposedly called Mac 16D0 by the text at the top of the floppy disk. There are 3 programs on this disk that work and they are Disk Duplicator, Format-Copy Utilities, and a program called sonytest. Format-Copy Utilities has 3 different versions. It also has a tendency to crash and also an even more tendency to crash when the user clicks on "Finder" in the crash dialog box. It is the earliest available build of macOS so far.

• Do It: Runs the program that the user selected.
• Info: Shows the file number and how much space it takes up.
• Copy: Makes a copy of the selected program.
• Rename: Renames the selected program.
• Remove: Removes the program.
• Eject: Ejects the disk from the machine.
• Drive: Switches to an external drive.

Gallery

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  Boot screen.

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  Clicking on "Do It".

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  Clicking on "Info".

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  Clicking on "Copy".

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  Clicking on "Rename".

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  Clicking on "Remove".

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  Clicking on "Drive".

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  Clicking on "Drive" again after the first time.

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  Clicking on "Eject".

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  Disk Duplicator.

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  About box.

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  System Error.

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  Clicking on "Finder" crashed it

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  Format-Copy Utilities from September 7th.

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  Another about box.

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  Format-Copy Utilities from September 14th.

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  Format-Copy Utilities from October 19th.

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  Interface Test dialogue box from the sonytest program.

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  Track-Level Test dialogue box from the sonytest program.

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  What we can see about the Error Rate Test from the sonytest program.