====== Adding a User ======
If you are doing this as root, don't use the 'sudo' command.

To add a user to the system:
  - Issue the useradd command to create a locked user account:
      <file>sudo useradd <username></file>
  - Unlock the account by issuing the passwd command to assign a password and set password aging guidelines:
      <file>sudo passwd <username></file>

If you get the following error:
<file>bash: useradd: command not found</file>
Try
<file>sudo /sbin/useradd <username></file>
Or
<file>sudo /usr/sbin/useradd <username></file>

===== Examples =====
See what groups the user is in:<br />
''id -nG {user-name}'' <br />
Add user and specify home directory while adding to groups:<br />
''sudo useradd -d /home/testuser -m testuser -G adm,dialout,cdrom,plugdev,lpadmin,sambashare,admin'' <br />
Add user to a group: <br />
''sudo useradd -a -G admin testuser'' <br />
To modify (or remove from) group membership, just specify explicitly: <br />
''sudo useradd -G adm,dialout,cdrom,plugdev testuser'' <br />

===== References =====
  * [[http://www.cyberciti.biz/faq/howto-linux-remove-user-from-group/|http://www.cyberciti.biz/faq/howto-linux-remove-user-from-group/]]
  * [[http://www.ubuntuka.com/add-user-to-existing-group-ubuntu/|http://www.ubuntuka.com/add-user-to-existing-group-ubuntu/]]
  * [[http://www.howtogeek.com/howto/ubuntu/add-a-user-on-ubuntu-server/|http://www.howtogeek.com/howto/ubuntu/add-a-user-on-ubuntu-server/]]

-- Main.FredPettis - 02 Jun 2009