Which of the following commands makes /bin/foo executable by everyone but writable only by its owner?

Which of the following commands makes /bin/foo executable by everyone but writable only by its owner?
A . chmod u=rwx,go=rx /bin/foo
B . chmod o+rwx,a+rx /bin/foo
C . chmod 577 /bin/foo
D . chmod 775 /bin/foo

View Answer

Answer: A