Unix - Study Mode

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[#856] For deleting the elements from the right of the array . . . . . . . . function is used.

(A) pop

(B) push

(C) queue

(D) shift

Correct Answer

(A) pop

[#857] We can delete multiple files using a single rm command.

(A) True

(B) False

Correct Answer

(A) True

[#858] How can we copy an entire directory under another directory?

(A) using -R option

(B) using -a option

(C) using -u option

(D) none of the mentioned

Correct Answer

(A) using -R option

[#859] -v option is used with cp command for displaying . . . . . . . .

(A) errors

(B) informative messages

(C) diagnostic messages

(D) file contents

Correct Answer

(B) informative messages

[#860] Which of the following symbols are a set of ERE (extended regular expressions)?

(A) +

(B) –

(C) ?

(D) + and –

Correct Answer

(D) + and –