On Sun, Apr 18, 2010 at 9:35 AM, Aaron Lewis <[email protected]> wrote: > In chapter 5.3 , it talks about a schedule algorithm: SJF > SJF means shortest jobs schedules firstly. > > That looks much reasonable , but my question is , how does an OS know > that a process will takes longer time to finish its life ?
You measure how long it took to finish its previous time slices.

