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What does the command "users" do?

I don't really get it :( "groups" lists all groups. But "users" not all users.

I hope you can help me :) Thanks in advance!

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2 Answers 2

It prints the users who are logged in. It is a stripped down version of tools like w and who.

       users - print the user names of users currently logged in to the
       current host

       users [OPTION]... [FILE]

       Output who is currently logged in according to FILE.  If FILE is
       not specified, use /var/run/utmp.  /var/log/wtmp as FILE is com‐

       --help display this help and exit

              output version information and exit

Source: man users

groups does not list all groups, it lists the groups that the current user is in. Perhaps some man groups would help you too :)

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thanks! sorry I'm quite new. Since now I always use man. I promise :P –  user184026 Aug 14 '13 at 13:15

Whenever wondering about what a command does and can do; check its man page

How? Try this in a shell.

$ man command-name

Doing this for the users command will tell you

users  -  print the user names of users currently logged in to the
          current hos
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@Oli I lost the race it seems :-) –  l3dx Aug 14 '13 at 13:16
thank you :) will do that! –  user184026 Aug 14 '13 at 13:16

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