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-rw-r--r--appendixa/findutils-desc.xml27
1 files changed, 27 insertions, 0 deletions
diff --git a/appendixa/findutils-desc.xml b/appendixa/findutils-desc.xml
index 042644c04..e5a7164b0 100644
--- a/appendixa/findutils-desc.xml
+++ b/appendixa/findutils-desc.xml
@@ -57,5 +57,32 @@ command on the list.
</sect3>
+<sect3><title>frcode</title>
+
+<para>
+updatedb runs a program called frcode to compress the list of file names
+using front-compression, which reduces the database size by a factor of
+4 to 5.
+</para>
+
+</sect3>
+
+<sect3><title>code</title>
+
+<para>
+code is the ancestor of frcode. It was used in older-style locate databases.
+</para>
+
+</sect3>
+
+<sect3><title>bigram</title>
+
+<para>
+bigram is used together with code to produce older-style locate databases. To
+learn more about these last three programs, read the locatedb.5 manual page.
+</para>
+
+</sect3>
+
</sect2>