Unix - Study Mode

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[#861] perl is . . . . . . . . of grep, tr, sed and awk.

(A) subset

(B) superset

(C) child

(D) parent

Correct Answer

(B) superset

[#862] Which character is used to replace 'ugo' string in chmod command?

(A) a

(B) v

(C) x

(D) o

Correct Answer

(A) a

[#863] Which editor is used by the UNIX system to edit files?

(A) vi

(B) notepad

(C) word

(D) notepad++

Correct Answer

(A) vi

[#864] Which of the following attribute is not shown by ps command?

(A) PID

(B) PPID

(C) tty

(D) size

Correct Answer

(D) size

[#865] Which of the following is not a built-in variable used by awk?

(A) ES

(B) FILENAME

(C) argv

(D) argc

Correct Answer

(A) ES