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@@ -20,6 +20,12 @@ Although we agree with that, we nevertheless choose to give the
full instructions for each and every package, simply to minimize
the possibilities for mistakes.</para>
+<para>The key to learning what makes a Linux system work is to know
+what each package is used for and why the user (or the system) needs it.
+For this purpose for every installed package a summary of its content is
+given followed by concise descriptions of each program and library it
+installed.</para>
+
<para>If you plan to use compiler optimizations in this chapter, take a look at
the optimization hint at <ulink url="&hints-root;optimization.txt"/>. Compiler
optimizations can make a program run slightly faster, but they may also cause