"grep -q ":100:" /etc/group || echo "users:x:100:" >> /etc/group
ln -sfn /tmp/mnt/sda1 /mnt/Datavault
sed -i -e "s/force user = root/force user = byteframe/" /tmp/smb.conf
echo "force group = users" >> /tmp/smb.conf
echo "case sensitive = True" >> /tmp/smb.conf
echo "default case = lower" >> /tmp/smb.conf
echo "preserve case = yes" >> /tmp/smb.conf
echo "short preserve case = yes" >> /tmp/smb.conf"