Unix - Study Mode

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[#1066] . . . . . . . . section can be used if we've to print something after processing the last line.

(A) end

(B) begin

(C) start

(D) first

Correct Answer

(B) begin

[#1067] case statement should have a corresponding closing esac.

(A) True

(B) False

Correct Answer

(A) True

[#1068] Which of the following is not true about tee command?

(A) it is a feature of the shell

(B) it is an external command

(C) tee command duplicates its input

(D) tee is an internal command

Correct Answer

(A) it is a feature of the shell

[#1069] Which option is used to produce multi columnar output in diff command?

(A) -y

(B) -v

(C) -s

(D) -e

Correct Answer

(A) -y

[#1070] Which one of the following option is used for checking that the string is NULL string?

(A) -a

(B) -o

(C) -z

(D) -n

Correct Answer

(C) -z