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MCQ

Q.

What command is used to display the characteristics of a process?

A

au

B

ps

C

du

D

pid

E

None of the above

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What command is used with vi editor to save file and remain in the editing mode?

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elf

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none of the mentioned

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What protocol(s) is(are) allowed a user to retrieve her/his mail from the mail server to her/his mail reader?

A

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B

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