The Mythical Man-Month of IBM’s OS/360 Software

The Mythical Man-Month is a concept developed by Fred Brooks while he was tasked with guiding a team of programmers to develop a new operating system dubbed the “360.”


Fred Brooks Software Programmer for IBM's OS 360 Project

Fred Brooks Software Programmer for IBM’s OS 360 Project



Fred realized that adding more programmers because the project had fallen behind and was late, did not actually help get it done sooner, and actually caused further delay. He wrote about this concept in his book “The Mythical Man-Month” which was later named “Brooks law.”

IBM decided to discontinue production of OS/360 due to the hardware having memory limitations as well as the development taking much longer than anticipated.

IBM OS 360 Software

Many of the structures, techniques and scheduling in the current software development environment is passed down from this epic failure in software programming.

Jophiel Silvestrone

Written by: Jophiel Silvestrone

Jophiel Silvestrone has written 163 posts in the Tech Blog.

Jophiel grew up on a ranch in Paradise Valley, Montana near Chico Hot Springs. Working on the ranch instilled work ethic and self motivation. Filled with this drive, Jophiel started mowing the local school's yards twice a month throughout the summers, at the age of 12. He moved to Billings in 2004, where he has been deeply involved in the local business community ever since. A serial entrepreneur, Jophiel has ran multiple businesses in our local community. He now runs a web development company SkyPoint Studios. One of his favorite jobs though, is fathering his 11-year old son Jaoquin. "JJ" also loves technology.

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