code: @Pure
  	public static String getSystemSharedLibraryDirectoryNameFor(String software) {
  		final File f = getSystemSharedLibraryDirectoryFor(software);
  		if (f == null) {
  			return null;
  		}
  		return f.getAbsolutePath();
  	}
docs: Replies the system shared library directory for the specified software.
  
  <p>On Unix operating systems, the system directory for a
  software is by default {@code /usr/lib/software} where {@code software}
  is the given parameter (case-sensitive). On Windows&reg; operating systems, the user
  directory for a software is by default
  {@code C:<span>\</span>Program Files<span>\</span>software}
  where {@code software} is the given parameter (case-insensitive).
  
  @param software is the name of the concerned software.
  @return the configuration directory of the software for the current user.