Operating System (OS)
What do you mean by Memory Compaction?

Divide memory hole by 2
Combine multiple equal memory holes into one big hole
Divide big memory hole into small holes
Combine multiple small memory holes into one big hole

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Operating System (OS)
Backups should be done

as several image copies, followed by an incremental
daily for most installations
as several incrementals, followed by an image copy
None of these
weekly for most installations

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