Index: BOOK/final-preps/creatingfiles.xml
===================================================================
--- BOOK/final-preps/creatingfiles.xml	(revision 0240559e9de823d412d41c1384b945f433bba202)
+++ BOOK/final-preps/creatingfiles.xml	(revision 23f9a66c2585c6477ae4b7c8fb30dd9b9fa1ad23)
@@ -66,5 +66,5 @@
       <term><literal>bin:x:1:1:bin:/bin:/bin/false</literal></term>
       <listitem>
-        <para>To be written</para>
+        <para>Was recommended for compatibility with legacy applications.</para>
       </listitem>
     </varlistentry>
@@ -72,5 +72,6 @@
       <term><literal>daemon:x:2:6:daemon:/sbin:/bin/false</literal></term>
       <listitem>
-        <para>To be written</para>
+        <para>Was recommended as an unprivileged User ID/Group ID for daemons
+        to execute under in order to limit their access to the system.</para>
       </listitem>
     </varlistentry>
@@ -78,5 +79,5 @@
       <term><literal>adm:x:3:16:adm:/var/adm:/bin/false</literal></term>
       <listitem>
-        <para>To be written</para>
+        <para>Was used for programs that performed administrative tasks.</para>
       </listitem>
     </varlistentry>
@@ -84,5 +85,5 @@
       <term><literal>lp:x:10:9:lp:/var/spool/lp:/bin/false</literal></term>
       <listitem>
-        <para>Used by programs for printing</para>
+        <para>Used by programs for printing.</para>
       </listitem>
     </varlistentry>
@@ -90,5 +91,5 @@
       <term><literal>mail:x:30:30:mail:/var/mail:/bin/false</literal></term>
       <listitem>
-        <para>Often used by email programs</para>
+        <para>Often used by email programs.</para>
       </listitem>
     </varlistentry>
@@ -96,5 +97,5 @@
       <term><literal>news:x:31:31:news:/var/spool/news:/bin/false</literal></term>
       <listitem>
-        <para>To be written</para>
+        <para>Often used for network news servers.</para>
       </listitem>
     </varlistentry>
@@ -102,5 +103,5 @@
       <term><literal>uucp:x:32:32:uucp:/var/spool/uucp:/bin/false</literal></term>
       <listitem>
-        <para>To be written</para>
+        <para>Often used for Unix-to-Unix Copy of files from one server to the next.</para>
       </listitem>
     </varlistentry>
@@ -108,5 +109,5 @@
       <term><literal>operator:x:50:0:operator:/root:/bin/bash</literal></term>
       <listitem>
-        <para>To be written</para>
+        <para>Often used to allow system operators to access the system.</para>
       </listitem>
     </varlistentry>
@@ -114,5 +115,5 @@
       <term><literal>postmaster:x:51:30:postmaster:/var/spool/mail:/bin/false</literal></term>
       <listitem>
-        <para>To be written</para>
+        <para>Is the account that receives all the information of troubles with the mail server.</para>
       </listitem>
     </varlistentry>
@@ -120,5 +121,5 @@
       <term><literal>nobody:x:65534:65534:nobody:/:/bin/false</literal></term>
       <listitem>
-        <para>To be written</para>
+        <para>This account is used by NFS.</para>
       </listitem>
     </varlistentry>
@@ -154,5 +155,5 @@
       <term><literal>adm:x:16:root,adm,daemon</literal></term>
       <listitem>
-        <para>To be written</para>
+        <para>All users in this group are allowed to do administrative tasks</para>
       </listitem>
     </varlistentry>
@@ -160,5 +161,5 @@
       <term><literal>console:x:17:</literal></term>
       <listitem>
-        <para>To be written</para>
+        <para>This group has direct access to the console</para>
       </listitem>
     </varlistentry>
@@ -166,5 +167,5 @@
       <term><literal>cdrw:x:18:</literal></term>
       <listitem>
-        <para>To be written</para>
+        <para>This group is allowed to use the CDRW drive</para>
       </listitem>
     </varlistentry>
@@ -178,5 +179,5 @@
       <term><literal>news:x:31:news</literal></term>
       <listitem>
-        <para>To be written</para>
+        <para>Used by Network News Servers</para>
       </listitem>
     </varlistentry>
@@ -184,5 +185,5 @@
       <term><literal>uucp:x:32:uucp</literal></term>
       <listitem>
-        <para>To be written</para>
+        <para>Used by the Unix-to-Unix copy users.</para>
       </listitem>
     </varlistentry>
@@ -196,5 +197,6 @@
       <term><literal>nogroup:x:65533:</literal></term>
       <listitem>
-        <para>To be written</para>
+        <para>This is a default group used by some programs that do not
+        require a group</para>
       </listitem>
     </varlistentry>
@@ -202,5 +204,5 @@
       <term><literal>nobody:x:65534:</literal></term>
       <listitem>
-        <para>To be written</para>
+        <para>This is used by NFS.</para>
       </listitem>
     </varlistentry>
