# system.filehandlers.used
UserParameter=system.filehandlers.used,cat /proc/sys/fs/file-nr | awk -F ' ' {'print $1'}
# system.siteadmin
UserParameter=system.siteadmin,[ -f /etc/uio/conf/site-admin ] && cat /etc/uio/conf/site-admin
# system.yum.dependency.problem
UserParameter=system.yum.dependency.problem,[ -f /usr/bin/package-cleanup ] && (/usr/bin/package-cleanup --problems 2>&1 > /dev/null; echo $?)
# system.gateway
UserParameter=system.gateway,[ -f /usr/bin/get_default_gateway ] && /usr/bin/get_default_gateway