RAMR.learnr             Reliability, Availability, and Maintainability
TestR.learnr            An Interactive Introduction to Reliability
                        Testing
avail                   Availability.
fr                      Failure Rate (lambda).
mtbf                    Mean Time Between Failures (MTBF).
mttf                    Mean Time To Failure (MTTF).
rel                     Reliability.
serv                    Serviceability.
