diff --git a/tester/run-xv6-command.sh b/tester/run-xv6-command.sh
new file mode 100755
index 0000000..e143687
--- /dev/null
+++ b/tester/run-xv6-command.sh
@@ -0,0 +1,34 @@
+#! /usr/bin/env expect
+
+# turn off timeout (perhaps make this flexible later)
+set timeout -1
+
+# build and launch xv6 on qemu
+spawn make qemu-nox
+
+# wait for initial prompt
+expect "init: starting sh\r"
+expect "$ "
+
+# send command as per command line
+send "$argv\r"
+
+# wait for it to be done
+expect "$ "
+
+# send command to halt qemu (ctrl-a x)
+# how to do so found here:
+# https://stackoverflow.com/questions/27050473/how-to-send-ctrl-a-then-d-in-expect
+send "\x01"; send "x"
+
+# make sure to wait for it all to stop
+# (without this, script was terminating before qemu quit -> bad)
+interact
+
+
+
+
+
+
+
+