The user smith issued the egrep “^[[:alnum:]]{4,}$” file1.txt | wc -l command. What would be the
expected output from this command?
A.
the total number of lines that have 4 or more characters
B.
the total number of words that have 4 or more characters
C.
the total number of lines that are shorter than 4 characters
D.
the total number of words that are shorter than 4 characters
Explanation: