Unix - Practice Test | ExamPrepSheets

[#536] Which one of the following command is invalid?

(A) 20h

(B) 5l

(C) 4k

(D) 3d

(E) /printf

(F) ?scanf

(G) :%/abd/mash/wc

(H) :1,%/file01/file02/g

Correct Answer

(D) 3d
(H) :1,%/file01/file02/g

[#537] The default action if selection_criteria is missing is . . . . . . . .

(A) print

(B) split

(C) print and split

(D) no default action

Correct Answer

(A) print

[#538] Which of the following option is used with a set for debugging shell scripts?

(A) -a

(B) -x

(C) -d

(D) -e

Correct Answer

(B) -x

[#539] vi used . . . . . . . . to enter control characters.

(A) ctrl-w

(B) ctrl-v

(C) ctrl-d

(D) esc

Correct Answer

(B) ctrl-v

[#540] Which of the following is not true about awk arrays?

(A) they are not expanded automatically

(B) they are initialized to zero or an empty string

(C) index can be a string also

(D) they are not formally defined

Correct Answer

(A) they are not expanded automatically

Unix - Study Mode

[#536] Which one of the following command is invalid?

Correct Answer

[#537] The default action if selection_criteria is missing is . . . . . . . .

Correct Answer

[#538] Which of the following option is used with a set for debugging shell scripts?

Correct Answer

[#539] vi used . . . . . . . . to enter control characters.

Correct Answer

[#540] Which of the following is not true about awk arrays?

Correct Answer