3 mkdir
-p /usr
/share
/mailcount
5 useradd
-g mailcount
-d /usr
/share
/mailcount
-s $
(which nologin
) mailcount
6 chown mailcount
:mailcount
/usr
/share
/mailcount
7 chmod 700 /usr
/share
/mailcount
8 cp mail-count.
* /etc
/systemd
/system
/
9 ln -f unread_mail_counts.sh
/usr
/local
/bin
/mailcount