Operating System (OS)
To delete a file without allowing it to store in recycle bin

Press Shift + Delete key
Press Ctrl + Delete key
Press Alt + Delete key
Press Delete key

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

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