Nowadays such an operating system wouldn’t be bearable however, because of what we are used to with Mac OS X Mountain Lion. The operating the Macintosh Plus ran was sophisticated at the time, and served its purpose.
It had a starting price tag of $2599 and came with 1MB of RAM and an SCSI port. For those of you who haven’t studied your Apple history, the Macintosh Plus was the third model in the Macintosh line that was initially released on January 16th, 1986.