if [ "$1" = "" ]; then
echo "The command is 'au {username}'"
exit
else
echo The username should be all lower case!
echo The username should not BEGIN with a number!
echo Adding $1
useradd -g ftpusers -s /sbin/nologin -c 'FTP USER' $1
echo Setting permissions on /home/$1
chown $1:ftpusers /home/$1
chmod 755 /home/$1
echo Setting up 5Mb quota for user
quotatool -u $1 -bq 5M /home
echo Setting Password
passwd $1
echo Done
fi