Actions performed to keep some machine or system functioning or in service.

plural of maintenance

Misspelling of maintenance.

A prescheduled time when a system can be taken off-line for maintenance, if necessary.

Retaining proper functionality over long periods of time with little or no maintenance. / (figuratively) Of a person: self-sufficient and not requiring much attention.

(of a system) Requiring a high degree of maintenance to ensure proper functioning, and without which it is likely to break down.

plural of maintenance window

(humorous) The use of physical concussion, such as a knock or a tap, in an attempt to make a malfunctioning device work.

manhole

Not requiring any maintenance.