lfs-book-zh_CN/chapter06/utillinux-exp.xml

<sect2>
<title>Command explanations</title>

<para>
<userinput>HAVE_SLN=yes:</userinput> We don't build this program because 
it already was installed by Glibc.
</para>

<para>
<userinput>/var/lib/hwclock/adjtime</userinput> The adjtime file is placed in
/var/lib/hwclock as dictates the Filesystem Hierarchy Standard (FHS).
</para>

</sect2>