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decorate new note about $() and ``
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@@ -210,10 +210,10 @@ cd build</userinput></screen>
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<note>
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<para>The command below shows an example of nested command substitution
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using two methods: backquotes and a $() construct. It could be rewritten
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using the same method for both substitutions, but is shown this way
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to demonstrate how they can be mixed. Generally the $() method is
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preferred.</para>
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using two methods: backquotes and a <literal>$()</literal> construct.
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It could be rewritten using the same method for both substitutions,
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but is shown this way to demonstrate how they can be mixed. Generally
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the <literal>$()</literal> method is preferred.</para>
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</note>
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<screen><userinput remap="install">cd ..
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