Neil Heller wrote in a message to Jasen Betts:

NH> Does Linux use DLLs?

JB> dynamic linking, yes, *.DLL no.

 NH> What's different about a library in *NIX that makes it dynamically 
 NH> loadable?  What sets a dynamically loadable library apart from any
 NH> other  in *NIX?  How can a programmer know in advance that this
 NH> option is  available?

What suggests that it's a function of the library involved?  I would have
thought that this was a matter for the linker to determine.

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