Linux OS Management Question:

The /etc/passwd file doesn't contain:
a) userid
b) home directory for a user
c) login shell name
d) None of the above

Answer #1d) None of the above

Answer #2All of the above

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User id 0 is: a) An invalid user id b) The id of the root user c) The id of a user when the user's account is deleted d) None of the above	What does the following command do? who \| wc -l a) List the number of users logged in b) List the users c) List the number of users in the system d) Display the content of who command