diff --git a/.gitignore b/.gitignore
index 7c50c313..1c4a0890 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,4 +6,6 @@ tests/qemu/test-i386
 *.map
 build/
 closure-compiler/
-images/
\ No newline at end of file
+images/
+*.bak
+*.orig
diff --git a/bios/.gitignore b/bios/.gitignore
new file mode 100644
index 00000000..10d00b57
--- /dev/null
+++ b/bios/.gitignore
@@ -0,0 +1 @@
+*.gz
diff --git a/docs/.gitignore b/docs/.gitignore
new file mode 100644
index 00000000..3c3629e6
--- /dev/null
+++ b/docs/.gitignore
@@ -0,0 +1 @@
+node_modules