diff --git a/elkscmd/file_utils/cp.c b/elkscmd/file_utils/cp.c
index 78f687da1..2232c7747 100644
--- a/elkscmd/file_utils/cp.c
+++ b/elkscmd/file_utils/cp.c
@@ -428,6 +428,8 @@ int do_symlink(char *symlnk, char *file)
 {
 	if (opt_verbose) printf("Symlink %s -> %s\n", file, symlnk);
 
+	if (opt_force)
+		unlink(file);
 	if (symlink(symlnk, file) < 0) {
 		fprintf(stderr, "Can't create symlink "); fflush(stderr);
 		perror(symlnk);
diff --git a/elkscmd/file_utils/mknod.c b/elkscmd/file_utils/mknod.c
index bb627ca11..7be28ce1f 100644
--- a/elkscmd/file_utils/mknod.c
+++ b/elkscmd/file_utils/mknod.c
@@ -17,9 +17,9 @@ int main(int argc, char **argv)
 		/* preserve option */
 		struct stat sb;
 		if (stat(argv[2], &sb) == 0) {
-			if (S_ISCHR(sb.st_mode) && argv[3] && (argv[3][0] == 'c' || argv[3][0] == 'u')) return 1;
-			if (S_ISBLK(sb.st_mode)  && argv[3] && argv[3][0] == 'b') return 1;
-			if (S_ISFIFO(sb.st_mode) && argv[3] && argv[3][0] == 'p') return 1;
+			if (S_ISCHR(sb.st_mode) && argv[3] && (argv[3][0] == 'c' || argv[3][0] == 'u')) return 0;
+			if (S_ISBLK(sb.st_mode)  && argv[3] && argv[3][0] == 'b') return 0;
+			if (S_ISFIFO(sb.st_mode) && argv[3] && argv[3][0] == 'p') return 0;
 		}
 		/* valid node not there yet, so we advance and create it */
 		argc--;
diff --git a/elkscmd/rootfs_template/bin/sys b/elkscmd/rootfs_template/bin/sys
index 60ebc169d..e7991c8a9 100755
--- a/elkscmd/rootfs_template/bin/sys
+++ b/elkscmd/rootfs_template/bin/sys
@@ -1,4 +1,6 @@
-# sys - create bootable system
+# sys - create or update system from booted volume
+#   Creates and/or updates /dev, /etc, /bin and /linux on drive passed as argument
+set -e
 
 usage()
 {
@@ -116,7 +118,7 @@ copy_etc_files()
 }
 
 # sys script starts here
-echo "Installing/Updating ELKS"
+echo "Installing/updating ELKS on $1"
 MNT=/tmp/mnt
 small=0
 arg=-s
@@ -126,8 +128,10 @@ if test "$1" = "-3"; then shift; small=1; fi
 if test "$#" -lt 1; then usage; fi
 
 # returns fstype, 1=MINIX, 2=FAT
+set +e
 makeboot $arg $1
 FSTYPE=$?
+set -e
 if test "$FSTYPE" = "255"; then exit 1; fi;
 
 mkdir -p $MNT
@@ -143,4 +147,4 @@ sync
 umount $1
 rmdir $MNT
 sync
-echo "Finished."
+echo "Finished successfully."