diff --git a/newlib/examples/hello.c b/newlib/examples/hello.c
index f65ce176..5f730b45 100644
--- a/newlib/examples/hello.c
+++ b/newlib/examples/hello.c
@@ -22,11 +22,36 @@
 #include <string.h>
 #include <unistd.h>
 #include <errno.h>
-#undef errno
-extern int errno;
+
+/*file descriptor init*/
+#define NR_OPEN 10
+#define FS_INIT { [0 ... NR_OPEN-1] = {NULL, 0, 0} }
+
+/*open flags*/
+
+//#define O_RDONLY 	0
+//#define O_WRONLY 	1
+#define O_RDWR	2
+
+#define O_CREAT 	64
+#define O_EXCL 	128
+//#define O_NOCTTY 	256
+#define O_TRUNC 	512
+#define O_APPEND 	1024
+
 
 int main(int argc, char** argv)
 {
-	printf("test!");
+	char* teststr = malloc(sizeof(char)*100);
+	int testfile = open("/bin/test", O_APPEND, "wr");
+	write(testfile, "test", 4);
+	lseek(testfile, 0, SEEK_SET);
+	read(testfile, teststr, 100);
+	printf("Gelesen aus neuer Datei: %s", teststr);
+
+
+
+
+
 return errno;
 }