%\index{#1@{{\tt {#1}} (direttiva)}}\texttt{#1}%
} % configuration file name
\newcommand{\procrelfile}[2]{%
-\index{file!filesystem~\texttt{/proc}!{#2}@{{\tt {#1}/{#2}}}}\texttt{#2}%
+\index{file!filesystem~\texttt{/proc}!{#1/#2}@{{\tt {#1/#2}}}}\texttt{#2}%
%\index{#1@{{\tt {#1}} (direttiva)}}\texttt{#1}%
}