Here's the story of how the key combination became famous in the first place. In the spring of , David Bradley was part of a select team working from a nondescript office building in Boca Raton, Fla. Because Apple and RadioShack were already selling small stand-alone computers, the project code name: Acorn was a rush job.
Instead of the typical three- to five-year turnaround, Acorn had to be completed in a single year. Turning the machine back on automatically initiated a series of memory tests, which stole valuable time. The tedious tests made the coders want to pull their hair out. So Bradley created a keyboard shortcut that triggered a system reset without the memory tests. Turning the machine back on automatically initiated a series of memory tests, which stole valuable time.
The tedious tests made the coders want to pull their hair out. So Bradley created a keyboard shortcut that triggered a system reset without the memory tests. Bradley joined IBM as a programmer in It was an exciting time—computers were starting to become more accessible, and Bradley had a chance to help popularize them. In September , he became the 12th of 12 engineers picked to work on Acorn. The task was just another item to tick off his to-do list.
This weird key combination was to ensure that even when something drops on the keyboard, it must not be unintentionally triggered. It required the developer to use both his hands with an intention to reboot and hence that combination was chosen.
This trigger was handled to soft-reboot the computer without the need to interfere with the power supply.
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