diff --git a/apps/shell/gui-shell.c b/apps/shell/gui-shell.c
index ac2f40c3b..73bf6f84d 100644
--- a/apps/shell/gui-shell.c
+++ b/apps/shell/gui-shell.c
@@ -28,7 +28,7 @@
  *
  * This file is part of the Contiki desktop OS.
  *
- * $Id: gui-shell.c,v 1.1 2008/02/07 23:11:56 oliverschmidt Exp $
+ * $Id: gui-shell.c,v 1.2 2008/02/08 12:49:54 oliverschmidt Exp $
  *
  */
 
@@ -127,6 +127,7 @@ PROCESS_THREAD(shell_gui_process, ev, data)
   shell_init();
   shell_file_init();
   shell_ps_init();
+  shell_run_init();
   shell_text_init();
   shell_time_init();
 
diff --git a/apps/shell/shell-run.c b/apps/shell/shell-run.c
new file mode 100644
index 000000000..5c6bc7696
--- /dev/null
+++ b/apps/shell/shell-run.c
@@ -0,0 +1,105 @@
+/*
+ * Copyright (c) 2008, 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.
+ *
+ * This file is part of the Contiki operating system.
+ *
+ * $Id: shell-run.c,v 1.1 2008/02/08 12:49:54 oliverschmidt Exp $
+ */
+
+#include <string.h>
+
+#include "contiki.h"
+
+#include "shell-run.h"
+
+/*---------------------------------------------------------------------------*/
+PROCESS(shell_run_process, "run");
+SHELL_COMMAND(run_command,
+	      "run",
+	      "run: load and run a PRG file",
+	      &shell_run_process);
+/*---------------------------------------------------------------------------*/
+PROCESS_THREAD(shell_run_process, ev, data)
+{
+  char *name, *print;
+
+  PROCESS_BEGIN();
+
+  name = data;
+  if(name == NULL || strlen(name) == 0) {
+    shell_output_str(&run_command,
+		     "run <file>: filename must be given", "");
+    PROCESS_EXIT();
+  }
+
+  switch(LOADER_LOAD(name, NULL)) {
+  case LOADER_OK:
+    print = "OK";
+    break;
+  case LOADER_ERR_READ:
+    print = "Read error";
+    break;
+  case LOADER_ERR_HDR:
+    print = "Header error";
+    break;
+  case LOADER_ERR_OS:
+    print = "Wrong OS";
+    break;
+  case LOADER_ERR_FMT:
+    print = "Data format error";
+    break;
+  case LOADER_ERR_MEM:
+    print = "Not enough memory";
+    break;
+  case LOADER_ERR_OPEN:
+    print = "Could not open file";
+    break;
+  case LOADER_ERR_ARCH:
+    print = "Wrong architecture";
+    break;
+  case LOADER_ERR_VERSION:
+    print = "Wrong OS version";
+    break;
+  case LOADER_ERR_NOLOADER:
+    print = "Program loading not supported";
+    break;
+  default:
+    print = "Unknown return code from the loader (internal bug)";
+    break;
+  }
+  shell_output_str(&run_command, print, ".");
+  
+  PROCESS_END();
+}
+/*---------------------------------------------------------------------------*/
+void
+shell_run_init(void)
+{
+  shell_register_command(&run_command);
+}
+/*---------------------------------------------------------------------------*/
diff --git a/apps/shell/shell-run.h b/apps/shell/shell-run.h
new file mode 100644
index 000000000..4fc8ad97f
--- /dev/null
+++ b/apps/shell/shell-run.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2008, 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.
+ *
+ * This file is part of the Contiki operating system.
+ *
+ * $Id: shell-run.h,v 1.1 2008/02/08 12:49:54 oliverschmidt Exp $
+ */
+
+#ifndef __SHELL_RUN_H__
+#define __SHELL_RUN_H__
+
+#include "shell.h"
+
+void shell_run_init(void);
+
+#endif /* __SHELL_RUN_H__ */
diff --git a/apps/shell/shell.h b/apps/shell/shell.h
index 1c05edb7b..b5c35915a 100644
--- a/apps/shell/shell.h
+++ b/apps/shell/shell.h
@@ -28,7 +28,7 @@
  *
  * This file is part of the Contiki operating system.
  *
- * $Id: shell.h,v 1.3 2008/02/05 12:23:32 adamdunkels Exp $
+ * $Id: shell.h,v 1.4 2008/02/08 12:49:54 oliverschmidt Exp $
  */
 
 /**
@@ -105,6 +105,7 @@ struct shell_input {
 #include "shell-rime-ping.h"
 #include "shell-rime-sniff.h"
 #include "shell-rsh.h"
+#include "shell-run.h"
 #include "shell-sendtest.h"
 #include "shell-sky.h"
 #include "shell-text.h"