diff -r 8f9f3ee2eacf sys/src/9/boot/bootrc
--- a/sys/src/9/boot/bootrc	Mon Nov 11 13:35:47 2019 -0800
+++ b/sys/src/9/boot/bootrc	Wed Nov 20 11:55:12 2019 +0100
@@ -186,6 +186,12 @@
 # add partitions and binds
 configlocal
 
+# execute hook 'startcmd' from plan9.ini
+if(! ~ $#startcmd 0) {
+	echo $startcmd
+	eval $startcmd
+}
+
 while(){
 	@{main}