diff --git a/os/.gitignore b/os/.gitignore
new file mode 100644
index 0000000..09784aa
--- /dev/null
+++ b/os/.gitignore
@@ -0,0 +1,6 @@
+devicetree/devicetree.dtb
+downloads/
+buildroot-2023.02.8/
+u-boot/
+linux-xlnx/
+sdcard_files/
diff --git a/os/src/userspace/.gitignore b/os/src/userspace/.gitignore
new file mode 100644
index 0000000..0be9173
--- /dev/null
+++ b/os/src/userspace/.gitignore
@@ -0,0 +1,2 @@
+*.o
+puzzlecmd