The command grep first second third /usr/you/myfilea) prints lines containing the words first, second or third from the file /usr/you/myfileb) searches for lines containing the pattern first in the files second, third, and /usr/you/myfile and prints themc) searches the files /usr/you/myfile and third for lines containing the words first or second and prints themd) replaces the word first with the word second in the files third and /usr/you/myfilee) None of the above



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