Lisa OS 1.0 Lisa OS 1.0

Lisa Office System 1.0 Release Details

In 1983, Apple released the Lisa Office System 1.0 (Lisa OS 1.0), an operating system based on a graphical interface, specifically for the Apple Lisa computer. This groundbreaking release marked the beginning of a new era in computing, as Lisa OS 1.0 introduced features that were ahead of its time.

One of the key features of Lisa OS 1.0 was its use of a hierarchical file system, similar to that of UNIX workstations of the time. This allowed for more efficient organization and management of files and corresponded to the GUI folders that were already present on Xerox PARC computers, from which Lisa borrowed heavily.

Another important aspect of Lisa OS 1.0 was its design around a hard disk, unlike the first Macintosh operating system, which could not utilize a hard disk in its first versions. This allowed for more storage and faster access to files, making Lisa OS 1.0 a more powerful and efficient system.

Apple Lisa with ProFile
Source: macstories.net – Apple Lisa with ProFile

Conceptually, the Lisa was envisioned as an office computing system, similar to the Xerox Star. Its software was designed as an integrated “office suite”, similar to what we now know as Microsoft Office. However, Lisa’s office software suite shipped long before the existence of Microsoft Office, and some of the constituent components were different. For example, Lisa shipped with no presentation package, while Office shipped without a projection package.

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

Lisa OS 1.0 also had two main user modes: the Lisa Office System and the Workshop. The Lisa Office System was the GUI environment for end-users, while the Workshop was a program development environment that was almost entirely text-based but used a GUI text editor.

Eventually, the Lisa Office System was renamed “7/7”, in reference to the seven supplied application programs: LisaWrite, LisaCalc, LisaDraw, LisaGraph, LisaProject, LisaList, and LisaTerminal. However, on April 24, 1984, Lisa OS 1.0 was replaced by Lisa OS 3.1, and today, it is 44 years old.

Despite its age, Lisa OS 1.0 was a groundbreaking release that introduced features that were ahead of its time. Its use of a hierarchical file system, design around a hard disk, and integrated office suite were all revolutionary concepts that set the stage for future developments in computing.

Further Reading and References

Disclaimer: The data presented in this article is under continuous development and has been manually collected from various sources based on their availability. The author of this article may revise this dataset as additional research is conducted and reviewed. Please note that the information is provided “as is” and “as available” without express or implied warranties. The author cannot be held responsible for any omissions, inaccuracies, or errors in the published information. Any warranties relating to this information are hereby disclaimed.

Last updated: March 7, 2023