Mac System Software 3.1.1

Mac System Software 3.1.1 is the third release of Mac System Software 3.x. It was released in February 1986 on a Guided Tour disk for the 512Ke. It fixed numerous bugs that were in the previous version.

Bugs and quirks

 * Upon bootup, the Happy Mac does not get cleared from the screen before the "Welcome to Macintosh" bootup box appears.
 * The Tutorial menu does not fill the whole screen.