Optimal Page Replacement Algorithm with Example in OS - Memory Management 

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why u can't swap 0 instead of 2 ...........in 13:08

Gajab chaa gye guru. Thank you so much. Excellent work

13:08 why you swapped out 2 instead of 4. Because 4 was not used till the process end.

Thanks a lot Simple Sinppets i got a clarity

Excellent channel♥️

Youre really good amazing content so well explained

why can't 0 be replaced in the last example you gave?

Thankyou sir

I come back sir I want ask you if we add a page in the last step and the in the next step we find that this page is not used for longest time so what do we do ? replace it or we look for the other old pages to replace one of them with new page ?

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