It breaks down this way: Items in the System folder are for OS X’s use–items in its Library folder are, for the most part, placed there when OS X is installed or when the OS is updated.

The Filesystem Hierarchy Standard (FHS) defines the structure of file systems on Linux and other UNIX-like operating systems. However, Linux file systems also contain some directories that aren't ...

The OS X Finder is a great tool to use for organizing your documents and projects into folder hierarchies; however, it is a bit limited. If you would like to save this hierarchy as a list in a ...