set passwd/user-uid
EOF
-if ! grep "${USERNAME}" /root/etc/passwd
+if ! grep -qs "${USERNAME}" /root/etc/passwd
then
echo "The default user (${USERNAME}) is not present,"
first_user=$(grep '^[^:]*:[^:]*:[12]\?[0-9][0-9][0-9][0-9]:' /root/etc/passwd | head -1 | cut -f1 -d ':')