diff --git a/res/values/overlay.xml b/res/values/overlay.xml
index 0019965a2..1a68d5348 100644
--- a/res/values/overlay.xml
+++ b/res/values/overlay.xml
@@ -25,8 +25,49 @@
   <!-- The system directory -->
   <string name="system_dir" translatable="false">/system</string>
 
-  <!-- The su binary -->
-  <string name="su_binary" translatable="false">/system/xbin/su</string>
+  <!-- The shell commands used by this application. All of this commands should
+       exist to allow the use of a shell console (and access to root). If any
+       of this commands are not present in the system, then app will start in
+       non-rooted mode and with a java console.
+   -->
+  <string name="shell_required_commands" translatable="false">
+    /system/bin/cat,
+    /system/bin/chmod,
+    /system/bin/chown,
+    /system/bin/dd,
+    /system/bin/df,
+    /system/bin/gzip,
+    /system/bin/id,
+    /system/bin/kill,
+    /system/bin/ln,
+    /system/bin/ls,
+    /system/bin/mkdir,
+    /system/bin/mount,
+    /system/bin/mv,
+    /system/bin/ps,
+    /system/bin/rm,
+    /system/bin/sh,
+    /system/xbin/awk,
+    /system/xbin/bunzip2,
+    /system/xbin/bzip2,
+    /system/xbin/cp,
+    /system/xbin/cut,
+    /system/xbin/dirname,
+    /system/xbin/echo,
+    /system/xbin/find,
+    /system/xbin/grep,
+    /system/xbin/groups,
+    /system/xbin/gunzip,
+    /system/xbin/pwd,
+    /system/xbin/readlink,
+    /system/xbin/su,
+    /system/xbin/tar,
+    /system/xbin/uncompress,
+    /system/xbin/unlzma,
+    /system/xbin/unxz,
+    /system/xbin/unzip,
+    /system/xbin/xargs
+  </string>
 
   <!-- The mounts file -->
   <string name="mounts_file" translatable="false">/proc/mounts</string>
diff --git a/res/xml/command_list.xml b/res/xml/command_list.xml
index c79aee77d..26cd51ebf 100644
--- a/res/xml/command_list.xml
+++ b/res/xml/command_list.xml
@@ -52,7 +52,7 @@
   <command commandId="mountpointinfo" commandPath="/system/bin/cat" commandArgs="/proc/mounts" />
 
   <!-- List/Find/Info -->
-  <command commandId="ls" commandPath="cd" commandArgs="%1$s &amp;&amp; /system/bin/ls -al %1$s | { /system/xbin/grep -v -e '^l' || true; } &amp;&amp; echo '>SIMLINKS>' &amp;&amp; /system/bin/ls -al %1$s | { /system/xbin/grep -e '^l' || true; } &amp;&amp; echo '>SIMLINKS_DATA>' &amp;&amp; /system/bin/ls -aF %1$s | /system/xbin/grep -e '^l' | /system/xbin/cut -d ' ' -f2- &amp;&amp; /system/bin/ls -aF %1$s | /system/xbin/grep -e '^l' | /system/xbin/cut -d ' ' -f2- | awk '{print &quot;\\&quot;&quot;$0&quot;\\&quot;&quot;}' | /system/xbin/xargs -r -n1 /system/xbin/readlink -f &amp;&amp; /system/bin/ls -F %1$s | /system/xbin/grep -e '^l' | /system/xbin/cut -d ' ' -f2- | awk '{print &quot;\\&quot;&quot;$0&quot;\\&quot;&quot;}' | /system/xbin/xargs -r -n1 /system/xbin/readlink -f | awk '{print &quot;\\&quot;&quot;$0&quot;\\&quot;&quot;}' | { /system/xbin/xargs -r /system/bin/ls -ald || echo; }" />
+  <command commandId="ls" commandPath="cd" commandArgs="%1$s &amp;&amp; /system/bin/ls -al %1$s | { /system/xbin/grep -v -e '^l' || true; } &amp;&amp; /system/xbin/echo '>SIMLINKS>' &amp;&amp; /system/bin/ls -al %1$s | { /system/xbin/grep -e '^l' || true; } &amp;&amp; /system/xbin/echo '>SIMLINKS_DATA>' &amp;&amp; /system/bin/ls -aF %1$s | /system/xbin/grep -e '^l' | /system/xbin/cut -d ' ' -f2- &amp;&amp; /system/bin/ls -aF %1$s | /system/xbin/grep -e '^l' | /system/xbin/cut -d ' ' -f2- | /system/xbin/awk '{print &quot;\\&quot;&quot;$0&quot;\\&quot;&quot;}' | /system/xbin/xargs -r -n1 /system/xbin/readlink -f &amp;&amp; /system/bin/ls -F %1$s | /system/xbin/grep -e '^l' | /system/xbin/cut -d ' ' -f2- | /system/xbin/awk '{print &quot;\\&quot;&quot;$0&quot;\\&quot;&quot;}' | /system/xbin/xargs -r -n1 /system/xbin/readlink -f | /system/xbin/awk '{print &quot;\\&quot;&quot;$0&quot;\\&quot;&quot;}' | { /system/xbin/xargs -r /system/bin/ls -ald || /system/xbin/echo; }" />
   <command commandId="fileinfo" commandPath="/system/bin/ls" commandArgs="-ald %1$s" />
   <command commandId="find" commandPath="/system/xbin/find" commandArgs="%1$s \\( -name %2$s -o -name %3$s -o -name %4$s -o -name %5$s -o -name %6$s \\) -exec /system/xbin/echo {} \\; -exec /system/bin/ls -ald {} \\;" />
   <command commandId="quickfoldersearch" commandPath="/system/bin/ls" commandArgs="-aFd %1$s.* %1$s* | /system/xbin/grep -e '^d' -e '^ld' | /system/xbin/awk '{print $2}'" />
diff --git a/src/com/cyanogenmod/filemanager/FileManagerApplication.java b/src/com/cyanogenmod/filemanager/FileManagerApplication.java
index d3ecf9f9e..c765ee351 100644
--- a/src/com/cyanogenmod/filemanager/FileManagerApplication.java
+++ b/src/com/cyanogenmod/filemanager/FileManagerApplication.java
@@ -203,9 +203,7 @@ private void register() {
         sIsDebuggable = (0 != (getApplicationInfo().flags &= ApplicationInfo.FLAG_DEBUGGABLE));
 
         // Check if the device is rooted
-        sIsDeviceRooted =
-                new File(getString(R.string.su_binary)).exists() &&
-                getSystemProperty("ro.cm.version") != null; //$NON-NLS-1$
+        sIsDeviceRooted = areShellCommandsPresent();
 
         // Register the notify broadcast receiver
         IntentFilter filter = new IntentFilter();
@@ -419,4 +417,41 @@ private static void readSystemProperties() {
         }
     }
 
+    /**
+     * Method that check if all shell commands are present in the device
+     *
+     * @return boolean Check if the device has all of the shell commands
+     */
+    private boolean areShellCommandsPresent() {
+        try {
+            String shellCommands = getString(R.string.shell_required_commands);
+            String[] commands = shellCommands.split(","); //$NON-NLS-1$
+            int cc = commands.length;
+            if (cc == 0) {
+                //???
+                Log.w(TAG, "No shell commands."); //$NON-NLS-1$
+                return false;
+            }
+            for (int i = 0; i < cc; i++) {
+                String c = commands[i].trim();
+                if (c.length() == 0) continue;
+                File cmd = new File(c);
+                if (!cmd.exists() || !cmd.isFile()) {
+                    Log.w(TAG,
+                            String.format(
+                                    "Command %s not found. Exists: %s; IsFile: %s.", //$NON-NLS-1$
+                                    c,
+                                    String.valueOf(cmd.exists()),
+                                    String.valueOf(cmd.isFile())));
+                    return false;
+                }
+            }
+            // All commands are present
+            return true;
+        } catch (Exception e) {
+            Log.e(TAG,
+                    "Failed to read shell commands.", e); //$NON-NLS-1$
+        }
+        return false;
+    }
 }