diff --git a/chapter06/coreutils.xml b/chapter06/coreutils.xml
index d507d437d..9d9acf163 100644
--- a/chapter06/coreutils.xml
+++ b/chapter06/coreutils.xml
@@ -154,7 +154,7 @@ sed -i s/\"1\"/\"8\"/1 /usr/share/man/man8/chroot.8</userinput></screen>
         timeout, touch, tr, true, truncate, tsort, tty, uname, unexpand, uniq,
         unlink, users, vdir, wc, who, whoami, and yes</seg>
         <seg>libstdbuf.so</seg>
-        <seg>/usr/lib/coreutils</seg>
+        <seg>/usr/libexec/coreutils</seg>
       </seglistitem>
     </segmentedlist>
 
diff --git a/chapter06/gawk.xml b/chapter06/gawk.xml
index 6328b2c4c..81e572172 100644
--- a/chapter06/gawk.xml
+++ b/chapter06/gawk.xml
@@ -76,7 +76,8 @@ cp    -v doc/{awkforai.txt,*.{eps,pdf,jpg}} /usr/share/doc/gawk-&gawk-version;</
         <seg>filefuncs.so, fnmatch.so, fork.so, inplace.so, ordchr.so,
         readdir.so, readfile.so, revoutput.so, revtwoway.so, rwarray.so,
         testext.so, and time.so</seg>
-        <seg>/usr/lib/{,g}awk, /usr/share/awk, /usr/share/doc/gawk-&gawk-version;</seg>
+        <seg>/usr/lib/gawk, /usr/libexec/awk, /usr/share/awk, 
+        /usr/share/doc/gawk-&gawk-version;</seg>
       </seglistitem>
     </segmentedlist>
 
diff --git a/chapter06/gcc.xml b/chapter06/gcc.xml
index 83cac4ece..1484f4ff5 100644
--- a/chapter06/gcc.xml
+++ b/chapter06/gcc.xml
@@ -320,7 +320,8 @@ mv -v /usr/lib/*gdb.py /usr/share/gdb/auto-load/usr/lib</userinput></screen>
         libquadmath.{a,so}, libssp.{a,so},
         libssp_nonshared.a, libstdc++.{a,so}, libsupc++.a and libtsan.{a,so}</seg>
 
-        <seg>/usr/include/c++, /usr/lib/gcc, /usr/share/gcc-&gcc-version;</seg>
+        <seg>/usr/include/c++, /usr/lib/gcc, /usr/libexec/gcc, 
+        /usr/share/gcc-&gcc-version;</seg>
       </seglistitem>
     </segmentedlist>
 
diff --git a/chapter06/man-db.xml b/chapter06/man-db.xml
index 372ee08aa..adf545d97 100644
--- a/chapter06/man-db.xml
+++ b/chapter06/man-db.xml
@@ -281,7 +281,7 @@
         <seg>accessdb, apropos (link to whatis), catman, lexgrog, man, mandb,
         manpath, whatis, and zsoelim</seg>
         <seg>libman.so, libmandb.so</seg>
-        <seg>/usr/lib/man-db, /usr/share/doc/man-db-&man-db-version;</seg>
+        <seg>/usr/lib/man-db, /usr/libexec/man-db, /usr/share/doc/man-db-&man-db-version;</seg>
       </seglistitem>
     </segmentedlist>