Unix - Study Mode

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[#1056] Which of the following option is used for checking if the file is writable or not?

(A) -e

(B) -f

(C) -n

(D) -w

Correct Answer

(D) -w

[#1057] The access to the use of at and batch is restricted and controlled by . . . . . . . . and . . . . . . . .

(A) at.allow, batch.allow

(B) at.allow, at.deny

(C) at.allow , batch.deny

(D) batch. deny, batch.allow

Correct Answer

(B) at.allow, at.deny

[#1058] The . . . . . . . . prefix to an array name signifies the last index of the array.

(A) $0

(B) $#

(C) #$

(D) $_

Correct Answer

(B) $#

[#1059] . . . . . . . . command is used for creating a new group.

(A) chgrp

(B) chown

(C) addgrp

(D) groupadd

Correct Answer

(D) groupadd

[#1060] What is the prompt for system administrator?

(A) $

(B) %

(C) #

(D) &

Correct Answer

(C) #