diff --git a/pim-os/build.sh b/pim-os/build.sh
new file mode 100755
index 0000000..ceffb9e
--- /dev/null
+++ b/pim-os/build.sh
@@ -0,0 +1,6 @@
+#!/bin/bash
+
+CARGO_TARGET_DIR=kernels/X1 cargo build --release --features X1
+CARGO_TARGET_DIR=kernels/X2 cargo build --release --features X2
+CARGO_TARGET_DIR=kernels/X3 cargo build --release --features X3
+CARGO_TARGET_DIR=kernels/X4 cargo build --release --features X4