In UNIX, which command is used to change the protection mode of files – McqOptions

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1.	In UNIX, which command is used to change the protection mode of files starting with the string emp and ending with 1, 2 or 3 ?
A.	Chmod 222 emp ?
B.	Chmod u+x emp[1-3]
C.	Chmod 777 emp*
D.	Chmod u+r ??? emp
Answer» C. Chmod 777 emp*

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