(a)When a threshold is exceeded.
(b)When a user specifically calls the garbage collector.
(c)When a low system memory condition occurs.

Safe critical code acts as a middle man/gatekeeper between transparent and critical code verifying each result.

NGen (Native Image Generator) creates processor optimized machine code (images) of our application that is cached.

Memory mapping files maps the contents of a file into memory, allowing us to work with a very efficient manner.

SortedSet  mainftains the order of items as they are added. If a duplicate item is added to a sorted set, it will be ignored and a value of false is returned from the SortedSet's Add () method.