Which of the following commands makes /bin/foo executable by everyone but only writable by its owner?
A. chmod 557 /bin/foo
B. chmod o +rwx, a+rx /bin/foo
C. chown 557 /bin/foo
D. chmod 755 /bin/foo
Which of the following commands makes /bin/foo executable by everyone but only writable by its owner?
A. chmod 557 /bin/foo
B. chmod o +rwx, a+rx /bin/foo
C. chown 557 /bin/foo
D. chmod 755 /bin/foo