Lisa OS 1.0
Source: mac-history.de - Lisa OS 1.0

Lisa Office System 1.0


The Lisa Office System 1.0 (Lisa OS 1.0) is an operating system based on a graphical interface and was developed by Apple in 1983 especially for the Apple Lisa computer. Lisa OS 1.0 has been publicly released on January 16, 1983, and was based in part on elements from the Apple Sophisticated Operating System which was released for Apple III. On April 24, 1984, Lisa OS 1.0 has been replaced by Lisa OS 3.1.

Lisa OS 1.0 is a disk operating system that also organizes its files in hierarchical directories, as do UNIX workstations of the time which were the main competition to Lisa in terms of price and hardware. Filesystem directories correspond to GUI folders, as with previous Xerox PARC computers from which Lisa borrowed heavily. Unlike the first Macintosh, whose operating system could not utilize a hard disk in its first versions, the Lisa system was designed around a hard disk being present.

Conceptually, the Lisa resembles the Xerox Star in the sense that it was envisioned as an office computing system. It also resembles Microsoft Office from a software standpoint, in that its software is designed to be an integrated “office suite”. Lisa’s office software suite shipped long before the existence of Microsoft Office, although some of the constituent components differ (e.g. Lisa shipped with no presentation package and Office shipped without a projection package). Consequently, Lisa has two main user modes: the Lisa Office System and the Workshop. The Lisa Office System is the GUI environment for end-users. The Workshop is a program development environment and is almost entirely text-based, though it uses a GUI text editor. The Lisa Office System was eventually renamed “7/7”, in reference to the seven supplied application programs: LisaWrite, LisaCalc, LisaDraw, LisaGraphLisaProject, LisaList, and LisaTerminal.

Today Lisa Office System 1.0 is 41 years old!

Lisa Office System 1.0 – General information

Overview

IntroducedJanuary 16, 1983
DiscontinuedApril 24, 1984
System RequirementsApple Lisa
DistributionFloppy disk

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