diff --git a/xCAT-client/pods/man1/nodech.1.pod b/xCAT-client/pods/man1/nodech.1.pod
index 25ff470c5..b0c2d2d05 100644
--- a/xCAT-client/pods/man1/nodech.1.pod
+++ b/xCAT-client/pods/man1/nodech.1.pod
@@ -23,6 +23,12 @@ there.  If "^=" is used, the specified value will be removed from the attribute'
 if it is there.  You can also use "^=" and ",=" in the same command to essentially replace one item
 in the list with another.  (See the Examples section.)
 
+Additionally, as in nodels, boolean expressions can be used to further limit the scope of nodech from 
+the given noderange.  The operators supported are the same as nodels (=~, !~, ==, and !=).
+
+With these operators in mind, the unambiguous assignment operator is '=@'.  If you need, for example, to set
+the nodelist.comments to =foo, you would have to do I<nodech n1 nodelist.comments=@=foo>.
+
 See the B<xcatdb> man page for an overview of each table.
 
 The nodech command also supports some short cut names as aliases to common attributes.  See the
@@ -75,6 +81,12 @@ B<  nodech> I<node1-node4 groups=all>
 
 =item *
 
+To put all nodes with nodepos.rack value of 2 into a group called rack2:
+
+B<  nodech> I<all> nodepos.rack==2 groups,=rack2
+
+=item *
+
 To add nodes in noderange  node1-node4 to the nodetype table with os=rhel5:
 
 B<  nodech> I<node1-node4 groups=all,rhel5 nodetype.os=rhel5>
@@ -101,4 +113,4 @@ B<  nodech> I<node1-node4 groups^=group1 groups,=group2>
 
 =head1 SEE ALSO
 
-L<nodels(1)|nodels.1>, L<nodeadd(8)|nodeadd.8>, L<noderange(3)|noderange.3>
\ No newline at end of file
+L<nodels(1)|nodels.1>, L<nodeadd(8)|nodeadd.8>, L<noderange(3)|noderange.3>
diff --git a/xCAT-client/pods/man1/nodels.1.pod b/xCAT-client/pods/man1/nodels.1.pod
index e6e6f972c..36eef5d2a 100644
--- a/xCAT-client/pods/man1/nodels.1.pod
+++ b/xCAT-client/pods/man1/nodels.1.pod
@@ -34,12 +34,31 @@ nodelist.groups
 
 nodehm.mgt
 
-=item B<switch>
+=back
 
-switch.switch
+nodels can also select based on table value criteria. The following operators are available: 
+
+=over 15
+
+=item B<==>
+
+Select nodes where the table.column value is exactly a certain value.
+
+=item B<!=>
+
+Select nodes where the table.column value is not a given specific value.
+
+=item B<=~>
+
+Select nodes where the table.column value matches a given regular expression.
+
+=item B<!~>
+
+Select nodes where the table.column value does not match a given regular expression.
 
 =back
 
+
 The B<nodels> command with a specific node and one or more table.attribute parameters is a good substitute
 for grep'ing through the tab files, as was typically done in xCAT 1.x.  This is because nodels will translate
 any regular expression rows in the tables into their meaning for the specified node.  The tab* commands
@@ -156,7 +175,73 @@ To list the out-of-band mgt method for blade1:
 
 Output is similar to:
 
-   blade1: nodehm.mgt: blade
+   blade1: blade
+
+=item 7.
+
+Listing blades managed through an AMM named 'amm1'
+
+ nodels all mp.mpa==amm1
+
+Output is similar to:
+
+   blade1
+   blade10
+   blade11
+   blade12
+   blade13
+   blade2
+   blade3
+   blade4
+   blade5
+   blade6
+   blade7
+   blade8
+   blade9
+
+=item 8.
+
+Listing the switch.switch value for nodes in the second rack:
+
+ nodels all nodepos.rack==2 switch.switch
+
+Output is similar to:
+   n41: switch.switch: switch2
+   n42: switch.switch: switch2
+   n43: switch.switch: switch2
+   n44: switch.switch: switch2
+   n45: switch.switch: switch2
+   n46: switch.switch: switch2
+   n47: switch.switch: switch2
+   n55: switch.switch: switch2
+   n56: switch.switch: switch2
+   n57: switch.switch: switch2
+   n58: switch.switch: switch2
+   n59: switch.switch: switch2
+   n60: switch.switch: switch2
+
+=item 9.
+
+Listing the blade slot number for anything managed through a device with a name beginning with amm:
+
+ nodels all mp.mpa=~/^amm.*/ mp.id
+
+Output looks like:
+   blade1: mp.id: 1
+   blade10: mp.id: 10
+   blade11: mp.id: 11
+   blade12: mp.id: 12
+   blade13: mp.id: 13
+   blade2: mp.id: 2
+   blade3: mp.id: 3
+   blade4: mp.id: 4
+   blade5: mp.id: 5
+   blade6: mp.id: 6
+   blade7: mp.id: 7
+   blade8: mp.id: 8
+   blade9: mp.id: 9
+
+
 
 =back