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i am trying to make a txt file with a list of existing user in Linux debian10, all i want in the list is username of each existing user, can anyone teach me how to do it?

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  • What have you tried? – Steven Mar 31 '20 at 2:52
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This will print the first field of /etc/passwd, which contains all the accounts on a system.

awk -F: '{print $1}' /etc/passwd

To save that output to a file, use the > file redirection operator, e.g.

awk -F: '{print $1}' /etc/passwd > users.txt
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    Thanks alot and is there a way i could extract only the username of those users? – zhen cheng Mar 31 '20 at 6:32
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To list the normal users on debian:

getent passwd {1000..6000}

1000 is the minimum UID :

grep ^UID_MIN /etc/login.defs

6000 is the maximum UID :

grep ^UID_MAX /etc/login.defs

see man login.def

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