added poweroff(8)

commands/scripts/poweroff.sh

@@ -0,0 +1,13 @@
+#!/bin/sh
+#
+# poweroff 1.0 - power off the system		Author: David van Moolenbroek
+#								  12 Jun 2009
+
+if [ $# -gt 0 ]; then
+  echo "usage: poweroff" >&2
+  exit 1
+fi
+
+PATH=/usr/bin:$PATH
+
+shutdown -x off