Introduction to Garbage Collection
nari (translated by Chris White) (via Jonathan Rentzsch):
It seems as though the majority opinion about garbage collection is “As long as everything works okay behind the scenes I’m all okay.” However garbage collection is one of the taken for granted features that is built into a good number of language processors. It would not hurt as a programmer to properly understand the structure and internal implementation of garbage collection.
He starts off with some bookshelf examples and then explains how Ruby’s garbage collector works.