diff --git a/.hgignore b/.hgignore
index 459f1d97..9fc1097c 100644
--- a/.hgignore
+++ b/.hgignore
@@ -3,3 +3,4 @@ syntax: glob
 *.swp
 *.swo
 tags
+twistd.log
diff --git a/sat b/sat
new file mode 100755
index 00000000..c44ea418
--- /dev/null
+++ b/sat
@@ -0,0 +1,3 @@
+#!/bin/sh
+twistd -noy sat.tac
+