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- Let's check out the commands

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that we have seen in this lesson.

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So useradd, which adds users and usermod,

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which allows you to
modify user properties.

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Userdel allows you to delete users.

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And likewise, we have groupadd,

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groupmod and groupdel.

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Then there is id.

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Id shows you information
about user accounts.

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It is useful because
you can see the groups

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that the user is a member of.

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And getent allows you to get information

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out of an administrative database.

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So even if your user comes from LDAP,

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getent passwd username,

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they'll show you properties of that user.

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Passwd the good olds to change passwords.

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And chage is more about
changing password properties.

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Now we have w, which
is the shortest command

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on Linux, actually.

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It shows all the users currently logged in

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and a little bit of
details about these users.

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Who is also showing you these
users currently logged in,

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but not as much details as w.

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Vipw, which is the password editor

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and vigr, which is the /etc/group editor.

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And last we have seen loginctl,

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which allows you to do session management.