Operating System (OS)
The operating system allows the user to organize the computer's contents in a hierarchical structure of directories that include all of the following except:

Drives
System
Folders
Files

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Operating System (OS)
The necessary conditions needed before deadlock can occur?

Mutual Exclusion, Hold and wait, Preemption, No Circular Wait
Mutual Exclusion, No Hold and wait, Preemption, Circular Wait
Mutual Exclusion, Hold and wait, No Preemption, Circular Wait
No Mutual Exclusion, Hold and wait, Preemption, Circular Wait

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