diff --git a/platform/cooja/testcfs.c b/platform/cooja/testcfs.c
new file mode 100644
index 000000000..6ec5001c0
--- /dev/null
+++ b/platform/cooja/testcfs.c
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2006, Swedish Institute of Computer Science.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $Id: testcfs.c,v 1.1 2006/10/11 14:15:16 fros4943 Exp $
+ */
+
+#include <stdio.h>
+#include "contiki.h"
+#include "sys/etimer.h"
+#include "sys/clock.h"
+#include "sys/log.h"
+#include "cfs/cfs.h"
+
+PROCESS(cfs_test_process, "CFS test process");
+
+PROCESS_THREAD(cfs_test_process, ev, data)
+{
+  static struct etimer mytimer;
+  static char wroteLastTime = 0;
+  static int fd;
+  static char buf[30];
+  
+  PROCESS_BEGIN();
+
+  etimer_set(&mytimer, CLOCK_SECOND);
+  fd = cfs_open("ignored_name", CFS_READ | CFS_WRITE);
+
+  log_message("Starting CFS test process\n", "");
+
+  while(1) {
+    PROCESS_WAIT_EVENT();
+
+    if (etimer_expired(&mytimer)) {
+	  if (wroteLastTime) {
+	  	wroteLastTime = !wroteLastTime;
+	    cfs_seek(fd, 5);
+	    cfs_read(fd, &buf[0], 9);
+	    buf[10] = '\0';
+        log_message("Read from filesystem:", buf);
+        log_message("\n", "");
+	  } else {
+	  	wroteLastTime = !wroteLastTime;
+	    cfs_seek(fd, 0);
+        cfs_write(fd, "tjobaloba labadobahoba", 22);
+        log_message("Wrote to filesystem\n", "");
+	  }
+      etimer_restart(&mytimer);
+    }
+  }
+
+  PROCESS_END();
+}
diff --git a/platform/cooja/testcfs.h b/platform/cooja/testcfs.h
new file mode 100644
index 000000000..a65333510
--- /dev/null
+++ b/platform/cooja/testcfs.h
@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2006, Swedish Institute of Computer Science.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $Id: testcfs.h,v 1.1 2006/10/11 14:15:16 fros4943 Exp $
+ */
+
+#ifndef __CFS_TEST_H__
+#define __CFS_TEST_H__
+
+#include "contiki.h"
+
+PROCESS_NAME(cfs_test_process);
+
+#endif /* __CFS_TEST_H__ */