Which of the following commands allows an administrator to add an existing user’s phone number to the system as a comment?
A.
useradd -u bsmith -c 555-1234
B.
usermod -c 555-1234 bsmith
C.
modinfo -u bsmith 555-1234
D.
groupadd -u bsmith -c 555-1234
I have the same idea. B
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