-__get_all_units () { systemctl list-units --full --all | awk ' {print $1}' ; }
-__get_active_units () { systemctl list-units --full | awk ' {print $1}' ; }
-__get_inactive_units () { systemctl list-units --full --all | awk '$3 == "inactive" {print $1}' ; }
-__get_failed_units () { systemctl list-units --full | awk '$3 == "failed" {print $1}' ; }
+__get_all_units () { __systemctl list-units --full --all | awk ' {print $1}' ; }
+__get_active_units () { __systemctl list-units --full | awk ' {print $1}' ; }
+__get_inactive_units () { __systemctl list-units --full --all | awk '$3 == "inactive" {print $1}' ; }
+__get_failed_units () { __systemctl list-units --full | awk '$3 == "failed" {print $1}' ; }