________ allows the parent and child processes to initially share the same pages, but when either process modifies a page, a copy of the shared page is created.
A.copy-on-write
B.zero-fill-on-demand
C.memory-mapped
D.virtual memory fork
正确答案是A
________ allows the parent and child processes to initially share the same pages, but when either process modifies a page, a copy of the shared page is created.
A.copy-on-write
B.zero-fill-on-demand
C.memory-mapped
D.virtual memory fork
正确答案是A