Add pwd

apps/pwd.c

@@ -0,0 +1,18 @@
+/* This file is part of ToaruOS and is released under the terms
+ * of the NCSA / University of Illinois License - see LICENSE.md
+ * Copyright (C) 2018 K. Lange
+ *
+ * pwd
+ */
+#include <unistd.h>
+#include <stdio.h>
+
+int main(int argc, char * argv[]) {
+	char tmp[1024];
+	if (getcwd(tmp, 1023)) {
+		puts(tmp);
+		return 0;
+	} else {
+		return 1;
+	}
+}