diff --git a/rebuild.cmd b/rebuild.cmd
deleted file mode 100644
index 5b20511..0000000
--- a/rebuild.cmd
+++ /dev/null
@@ -1,18 +0,0 @@
-@echo off
-
-echo Cleaning target directory...
-echo.
-rmdir /s /q wwwroot
-mkdir wwwroot
-mkdir wwwroot\srv
-copy static\* wwwroot
-
-echo Building pages...
-echo.
-start /b php rebuild.php 4 0
-start /b php rebuild.php 4 1
-start /b php rebuild.php 4 2
-start /b php rebuild.php 4 3
-start /b php rebuild.php 4 4
-
-pause
\ No newline at end of file
diff --git a/rebuild.sh b/rebuild.sh
new file mode 100644
index 0000000..abbe305
--- /dev/null
+++ b/rebuild.sh
@@ -0,0 +1,19 @@
+#!/bin/bash
+
+set -eu
+PHP=/cygdrive/c/bin/php/php.exe
+
+echo Cleaning target directory...
+
+rm -r wwwroot
+mkdir -p wwwroot/srv
+cp static/* wwwroot
+
+echo Building pages...
+
+for i in $(seq 0 4) ; do
+	$PHP rebuild.php 4 "$i" &
+done
+wait
+
+read -p "Press any key to continue..."