单选题Page replacements algorithm steals file pages only when percent of RAM occupied by filepages()A falls below minperm.B is between minperm and maxperm.C higher than maxperm.D lower than maxperm.

单选题
Page replacements algorithm steals file pages only when percent of RAM occupied by filepages()
A

 falls below minperm.

B

 is between minperm and maxperm.

C

 higher than maxperm.

D

 lower than maxperm.


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