How to list only user names on your linux box

The list the usernames of your linux box to check anyone who is not familiar, type the following command on your shell
awk -F':' '{ print $1}' /etc/passwd

To see details information regarding what is in your /etc/passwd,, type the following
more /etc/passwd
you should get something like this which the username and their path
root:x:0:0:root:/root:/bin/bash
bin:x:1:1:bin:/bin:/sbin/nologin
daemon:x:2:2:daemon:/sbin:/sbin/nologin
adm:x:3:4:adm:/var/adm:/sbin/nologin
lp:x:4:7:lp:/var/spool/lpd:/sbin/nologin
sync:x:5:0:sync:/sbin:/bin/sync
shutdown:x:6:0:shutdown:/sbin:/sbin/shutdown
halt:x:7:0:halt:/sbin:/sbin/halt

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