Question about library?

["clifftsai" <clifftsai at minecard dot com dot tw>]

Hi:

    I have three questions about library.

    1.What's the differenence between the static-shared library and

        dynamic linking library?They both can be shared?

 

    2.Is "libxxx.so" or "libxxx.sa" a static-shared library or dynamic linking library?

   

    3.I usually see libc.a,but ".a" means that is a static linking library(no shared)

       why don't we create C library as shared library or DLL?

 

    thanks!

      

 

 

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