Related:

• PM: /P-M/ 1. v. (from `preventive maintenance') To bring down a machine for inspection or test purposes.
  See {provocative maintenance}; see also {scratch monkey}....
• Preventive maintenance is man's only weapon against entropy.
• The system will be down for 10 days for preventive maintenance.
• PM /P-M/ 1. v. (from `preventive maintenance') To bring down a machine for inspection or test purposes.
  See provocative maintenance; see also scratch monk 2....
• Hackers do it during downtime.
• provocative maintenance: [common ironic mutation of `preventive maintenance'] n.
  Actions performed upon a machine at regularly scheduled intervals to ensure that the system remains in a usable state....
• We the Users, in order to form a more perfect system
  establish priorities, ensure connective tranquility, provide for common repairs, promote preventive maintenance, and secure the blessings of liberty for ourselves and our processes, do ordain and establish this Software of The Unixed States of America....
• bounce: v. 1. [perhaps by analogy to a bouncing check] An electronic mail message that is undeliverable and returns an error notification to the sender is said to `bounce'.
  See also {bounce message}. 2. [Stanford] To play volleyball....