I'm working on a Debian server as an inexperienced admin. I need to change the full name of a user (not the login name) provided during adduser USERNAME. How can I do this? I didn't find such an option in usermod (http://linuxcommand.org/man_pages/usermod8.html).
The GECOS field in /etc/password can be modified with the chfn(1) command.
chfn -f "Joe Blow" jblow
answered Jul 10 '13 at 22:29
You can do the following
adduser username -c "John Snow" -s /bin/bash
modify
usermod -c "Snow John" username
To verify users' full name finger username
answered Jul 10 '13 at 22:30
You can edit /etc/passwd directly the full name a field in this file.
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although, if you are doing that be sure to use
vipwinstead of simply editing the file the usual way – Knoxy May 8 '20 at 0:49
