<para>
<screen>
% cd /your/scratch/space
-% bunnzip2 < ghc-<replaceable>version</replaceable>-<replaceable>platform</replaceable>.tar.bz2 | tar xvf -</screen>
+% bunzip2 < ghc-<replaceable>version</replaceable>-<replaceable>platform</replaceable>.tar.bz2 | tar xvf -</screen>
</para>
<para>