FC5 Installation time

[Tamal]

FC5 minimal installation takes almost 4 minutes. The install.log after installation is attached with this mail. There are more things I want to show you.
  1.. warning: libgcc-4.1.0-3: Header V3 DSA signature: NOKEY, key ID 4f2a6fd2 : Why this warning occurs ?

  2.. Installing libgcc-4.1.0-3.x86_64. AND Installing libgcc-4.1.0-3.i386. : Why library of both architecture is installed ?

  3.. Installing beecrypt-4.1.2-9.2.1.x86_64. : What is the necessity of these kinds of libraries without a compiler ?

  4.. Installing libX11-1.0.0-3.x86_64. : Why the graphical library is installed in minimal installation ?

  5.. Installing gtk2-2.8.15-1.x86_64. : If a user wants to install only KDE, what is the use of GTK here ?
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