Simple file for testing on chapter 1

chp1/syscalls/example1.c

@@ -0,0 +1,9 @@
+#include <fcntl.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+int main(void) {
+  int fd = open("test.txt", O_CREAT | O_RDWR);
+  // close(fd);
+  return EXIT_SUCCESS;
+}