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6.823 (Dally)

drmorris@ATHENA.MIT.EDU (drmorris@ATHENA.MIT.EDU)
Thu Feb 21 20:28:41 1991

Dally: Why is process switching in Unix so slow?

No one in the class answers...

Dally: Well, I'll leave it as an exercise to the listener.

Student: Can you give us a hint?

Dally: Look at the source code.

Another student: Why don't they rewrite it?

Dally: Compatibility.

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