Which command is used to change protection mode of files starting with the string emp and ending with 1,2, or 3?
Achmod 222 emp?
Bchmod u+x emp[1-3]
Cchmod 777 emp*
Dchmod u+r??? emp
Correct answer
B. chmod u+x emp[1-3]
Explanation
The correct answer is chmod u+x emp[1-3].