Quiz · Copy-on-write1 / 6
RightSignalSun, Nov 8 · today
Quiz · Copy-on-write2 / 6
How does the operating system find out that a shared page is about to change?
Quiz · Copy-on-write3 / 6
A process forks, then the child rewrites all of its memory. What does copy-on-write save here?
Quiz · Copy-on-write4 / 6
Why can a ZFS or Btrfs snapshot keep the old version of a file after you edit it?
Quiz · Copy-on-write5 / 6
A 50 GB virtual machine disk is cloned 4 times with copy-on-write. Each clone changes 2 GB. About how much space is used?
Quiz · Copy-on-write6 / 6
After a copy-on-write copy, the copy only reads its data for an hour. How many blocks get duplicated?
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