--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/slides/lst	Tue Oct 14 06:21:07 2014 +0100
@@ -0,0 +1,8 @@
+$ ls -ld . * */*
+drwxr-xr-x ping staff  32768 Apr  2 2010 .
+-rw----r-- ping students  31359 Jul 24 2011 manual.txt
+-r--rw--w- bob  students   4359 Jul 24 2011 report.txt
+-rwsr--r-x bob  students 141359 Jun  1 2013 microedit
+dr--r-xr-x bob  staff     32768 Jul 23 2011 src
+-rw-r--r-- bob  staff     81359 Feb 28 2012 src/code.c
+-r--rw---- emma students    959 Jan 23 2012 src/code.h