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What happens if RAM is full and still user tries to run a program?

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OS crash?
or process will be in virtual memory?

posted Jun 19, 2015 by anonymous

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1 Answer

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No process will not crash, it will use virtual memory for the program which is bigger then RAM itself.

answer Jun 19, 2015 by Salil Agrawal
Then Why, OS crashes when we do something like,

while(1)
      fork();
fork is creation of process and you are creating number of processes infinitely and resources exhaust (there are many resources RAM, Virtual memory, ids etc etc) most likely virtual memory exhaust and there is a crash.
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