What is the output of the following program?
b =
[ -n $b ]
echo $?
[ -z $b ]
echo $?
b =
[ -n $b ]
echo $?
[ -z $b ]
echo $?A. 1
1
B. 2
2
C. 0
0
D. 0
1
Answer: Option C
This Question Belongs to Computer Science >> Linux
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