Understanding the bin, sbin, usr/bin , usr/sbin split

[Stewart C. Russell]

On 12-02-06 21:43 , D. Hugh Redelmeier wrote:
> 
> I've heard that OS/X does something like: all a package does is add a 
> directory, and populates it with all the "stuff", including any
> executables.  The package manager does not have to be intricate, policing 
> shared directories. 

The "package manager" in most cases is called "dragging the app to the
/Applications folder". Deleting is similarly simple.

> Then the binary gets made accessible somehow.  
> Symlink?  Union mount?

Extended attributes on the Program.app/ directory, then a defined
structure of what lives where under that directory.

 Stewart
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