diff --git a/src/arch/i386/interface/pxe/pxe_call.c b/src/arch/i386/interface/pxe/pxe_call.c
index 8f1dd0a2..b9c21ce5 100644
--- a/src/arch/i386/interface/pxe/pxe_call.c
+++ b/src/arch/i386/interface/pxe/pxe_call.c
@@ -96,6 +96,7 @@ union pxenv_call {
 	PXENV_EXIT_t ( * file_select ) ( struct s_PXENV_FILE_SELECT * );
 	PXENV_EXIT_t ( * file_read ) ( struct s_PXENV_FILE_READ * );
 	PXENV_EXIT_t ( * get_file_size ) ( struct s_PXENV_GET_FILE_SIZE * );
+	PXENV_EXIT_t ( * file_exec ) ( struct s_PXENV_FILE_EXEC * );
 };
 
 /**
@@ -294,6 +295,10 @@ __cdecl void pxe_api_call ( struct i386_all_regs *ix86 ) {
 		pxenv_call.get_file_size = pxenv_get_file_size;
 		param_len = sizeof ( pxenv_any.get_file_size );
 		break;
+	case PXENV_FILE_EXEC:
+		pxenv_call.file_exec = pxenv_file_exec;
+		param_len = sizeof ( pxenv_any.file_exec );
+		break;
 	default:
 		DBG ( "PXENV_UNKNOWN_%hx", opcode );
 		pxenv_call.unknown = pxenv_unknown;
diff --git a/src/include/pxe.h b/src/include/pxe.h
index f17d8f77..8b3ca14c 100644
--- a/src/include/pxe.h
+++ b/src/include/pxe.h
@@ -63,6 +63,7 @@ union u_PXENV_ANY {
 	struct s_PXENV_FILE_SELECT		file_select;
 	struct s_PXENV_FILE_READ		file_read;
 	struct s_PXENV_GET_FILE_SIZE		get_file_size;
+	struct s_PXENV_FILE_EXEC		file_exec;
 };
 
 typedef union u_PXENV_ANY PXENV_ANY_t;
diff --git a/src/include/pxe_api.h b/src/include/pxe_api.h
index 8dc1607a..53708ed4 100644
--- a/src/include/pxe_api.h
+++ b/src/include/pxe_api.h
@@ -1684,6 +1684,28 @@ extern PXENV_EXIT_t pxenv_get_file_size ( struct s_PXENV_GET_FILE_SIZE
 
 /** @} */ /* pxenv_get_file_size */
 
+/** @defgroup pxenv_file_exec PXENV_FILE_EXEC
+ *
+ * FILE EXEC
+ *
+ * @{
+ */
+
+/** PXE API function code for pxenv_file_exec() */
+#define PXENV_FILE_EXEC			0x00e5
+
+/** Parameter block for pxenv_file_exec() */
+struct s_PXENV_FILE_EXEC {
+	PXENV_STATUS_t Status;		/**< PXE status code */
+	SEGOFF16_t Command;		/**< Command to execute */
+} PACKED;
+
+typedef struct s_PXENV_FILE_EXEC PXENV_FILE_EXEC_t;
+
+extern PXENV_EXIT_t pxenv_file_exec ( struct s_PXENV_FILE_EXEC *file_exec );
+
+/** @} */ /* pxenv_file_exec */
+
 /** @} */ /* pxe_file_api */
 
 /** @defgroup pxe_loader_api PXE Loader API
diff --git a/src/interface/pxe/pxe_file.c b/src/interface/pxe/pxe_file.c
index 01dac8f7..718f5e38 100644
--- a/src/interface/pxe/pxe_file.c
+++ b/src/interface/pxe/pxe_file.c
@@ -31,7 +31,7 @@
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
-FEATURE ( FEATURE_MISC, "PXEXT", DHCP_EB_FEATURE_PXE_EXT, 1 );
+FEATURE ( FEATURE_MISC, "PXEXT", DHCP_EB_FEATURE_PXE_EXT, 2 );
 
 /**
  * FILE OPEN
@@ -189,3 +189,41 @@ PXENV_EXIT_t pxenv_get_file_size ( struct s_PXENV_GET_FILE_SIZE
 	get_file_size->Status = PXENV_STATUS_SUCCESS;
 	return PXENV_EXIT_SUCCESS;
 }
+
+/**
+ * FILE EXEC
+ *
+ * @v file_exec				Pointer to a struct s_PXENV_FILE_EXEC
+ * @v s_PXENV_FILE_EXEC::Command	Command to execute
+ * @ret #PXENV_EXIT_SUCCESS		Command was executed successfully
+ * @ret #PXENV_EXIT_FAILURE		Command was not executed successfully
+ * @ret s_PXENV_FILE_EXEC::Status	PXE status code
+ *
+ */
+PXENV_EXIT_t pxenv_file_exec ( struct s_PXENV_FILE_EXEC *file_exec ) {
+	userptr_t command;
+	size_t command_len;
+	int rc;
+
+	DBG ( "PXENV_FILE_EXEC" );
+
+	/* Copy name from external program, and exec it */
+	command = real_to_user ( file_exec->Command.segment,
+				 file_exec->Command.offset );
+	command_len = strlen_user ( command, 0 );
+	{
+		char command_string[ command_len + 1 ];
+
+		copy_from_user ( command_string, command, 0,
+				 sizeof ( command_string ) );
+		DBG ( " %s", command_string );
+
+		if ( ( rc = system ( command_string ) ) != 0 ) {
+			file_exec->Status = PXENV_STATUS ( rc );
+			return PXENV_EXIT_FAILURE;
+		}
+	}
+
+	file_exec->Status = PXENV_STATUS_SUCCESS;
+	return PXENV_EXIT_SUCCESS;
+}