14 echo "${USER}:x:${UID}:${GID}::/home/${USER}:Linux User,,,:/home/jetty:/bin/false" >> /etc/passwd
16 echo "${GROUP}:x:${GID}:${USER}" >> /etc/group
18 echo "${USER}:!:17501:0:99999:7:::" >> /etc/shadow
20 mkdir /home/${USER} && chown ${USER}:${GROUP} /home/${USER}