When the return value of any function is not specified within the function, what function returns?
A. nothing
B. exit status of the last command executed
C. 0
D. none of the mentioned
Answer: Option B
A. nothing
B. exit status of the last command executed
C. 0
D. none of the mentioned
Answer: Option B
What command is used to count the total number of lines, words, and characters contained in a file?
A. countw
B. wcount
C. wc
D. count p
E. None of the above
What command is used with vi editor to delete a single character?
A. x
B. y
C. a
D. z
E. None of the above
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