Overcommits exist any time you can have a debugger anyways. fork() was a brilliant way to make Unix development easy in the 70s: it made it trivial move a lot

Overcommits exist any time you can have a debugger anyways. fork() was a brilliant way to make Unix development easy in the 70s: it made it trivial move a lot of development activity out of the kernel and into user-land. But with it came problems that only became apparent much later.