Operating System (OS)
Which one is true for unconditional disk formatting?

All of above
Transfer system files after format
Destroys every byte of data on a disk by overwriting it with with blank spaces
Do not check/scan surface after format

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Operating System (OS)
What is the method of handling deadlocks?

All of these
Use a protocol to ensure that the system will never enter a deadlock state
Allow the system to enter the deadlock state and then recover
Pretend that deadlocks never occur in the system

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