Operating System (OS)
System maintenance:

is usually not necessary
None of these
is not required if the system is well written
always requires several programs
is necessary on all systems, regardless of how good

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Operating System (OS)
Identify false statement

You can increase free space of disk by sending files in recycle bin
You can restore any files in recycle bin if you ever need
You can right click and choose Empty Recycle Bin to clean it at once
You can find deleted files in recycle bin

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