diff --git a/fmos/make writable b/fmos/make writable
new file mode 100644
index 0000000..1c95163
--- /dev/null
+++ b/fmos/make writable	
@@ -0,0 +1 @@
+mkdir -p /run/fmos/usr/{.work,rw} && mount -t overlay -o lowerdir=/usr,upperdir=/run/fmos/usr/rw,workdir=/run/fmos/usr/.work overlay /usr
\ No newline at end of file