Discovery of UNIX Version 4 Tape at University of Utah

A research team at the University of Utah has uncovered a historically significant artifact: a tape containing the UNIX Version 4 operating system, which was previously thought to be lost. This discovery was verified by experts at the Computer History Museum in Mountain View, California. The tape, dating back to the 1970s, was found in a storage closet while staff were preparing for a move to a new engineering building. Research associate Aleks Maricq, who discovered the tape, recognized its importance almost immediately, noting that it might be the only existing copy left.

Rare computer relic confirmed to be major discovery

Upon its discovery, the tape was carefully transported to the Computer History Museum, where experts utilized a specialized vintage tape reader equipped with analog probes to extract the data. Jon Duerig, an engineering research associate, explained that the museum's method involved reading raw analog signals from the tape, which minimized the risk of damage. Despite concerns about its condition, only a few blocks of data were found to be corrupted, which were subsequently repaired. The tape contained just under 2 megabytes of data, a substantial amount for its time, and included source code that serves as a blueprint for modern computing systems.

Rare computer relic confirmed to be major discovery

The recovery of UNIX Version 4 offers a rare glimpse into the origins of operating systems that underpin contemporary technology, including macOS and various internet applications. Professor Robert Ricci from the university emphasized the significance of this version, stating that it was previously believed that the oldest existing version was UNIX Version 5. The discovery not only enriches the historical narrative of computing but also allows researchers and enthusiasts worldwide to access and analyze the software through the Internet Archive.

KUTV Salt Lake City

The excitement surrounding this find has sparked interest among a global community of computer historians and enthusiasts. Duerig noted that within hours of uploading the tape's contents online, thousands had downloaded and begun analyzing it. The university plans to display this rare computer relic in the new engineering building once it is completed, further solidifying its place in the history of technology.

Rare computer relic confirmed to be major discovery

While the discovery has been celebrated, some critics argue that the focus on historical artifacts may overshadow the need for advancements in current technology. They suggest that resources could be better allocated to addressing contemporary challenges in computing rather than solely celebrating past achievements.

KUTV Salt Lake City

• “It took us a little while to realize we had the oldest one that is still in existence.” — Professor Robert Ricci, University of Utah

KUTV Salt Lake City

• “This is a very early landmark in the development of operating system history,” — Aleks Maricq, Research Associate

KUTV Salt Lake City

The discovery of the UNIX Version 4 tape not only marks a significant moment in the history of computing but also highlights the importance of preserving and understanding technological heritage.

KUTV Salt Lake City