diff --git a/apps/cat.c b/apps/cat.c
index 72c771f3..cb94626a 100644
--- a/apps/cat.c
+++ b/apps/cat.c
@@ -14,6 +14,7 @@
 #include <fcntl.h>
 #include <unistd.h>
 #include <string.h>
+#include <errno.h>
 #include <sys/stat.h>
 
 #define CHUNK_SIZE 4096
@@ -36,8 +37,8 @@ int main(int argc, char ** argv) {
 
 	for (int i = 1; i < argc; ++i) {
 		int fd = open(argv[i], O_RDONLY);
-		if (fd == -1) {
-			fprintf(stderr, "%s: %s: no such file or directory\n", argv[0], argv[i]);
+		if (fd < 0) {
+			fprintf(stderr, "%s: %s: %s\n", argv[0], argv[i], strerror(errno));
 			ret = 1;
 			continue;
 		}
diff --git a/apps/sh.c b/apps/sh.c
index c0eb2c9f..c06228a9 100644
--- a/apps/sh.c
+++ b/apps/sh.c
@@ -951,7 +951,7 @@ int main(int argc, char ** argv) {
 		FILE * f = fopen(argv[optind],"r");
 
 		if (!f) {
-			fprintf(stderr, "%s: %s: file not found\n", argv[0], argv[optind]);
+			fprintf(stderr, "%s: %s: %s\n", argv[0], argv[optind], strerror(errno));
 			return 1;
 		}
 
diff --git a/util/devtable b/util/devtable
index f9fd8d91..77218536 100644
--- a/util/devtable
+++ b/util/devtable
@@ -1,3 +1,4 @@
+/etc/master.passwd f 600 0 0 - - - - -
 /bin/sudo f 4555 0 0 - - - - -
 /home/local d 775 1000 1000 - - - - -
 /home/local/hello f 664 1000 1000 - - - - -