# HG changeset patch
# User Christian Urban <christian dot urban at kcl dot ac dot uk>
# Date 1418110888 0
# Node ID b322a245589ce1a22d874622aa4854021542c722
# Parent  efad8155513f61bb9b832c5b766275d54767ce77
updated

diff -r efad8155513f -r b322a245589c hws/hw04.pdf
Binary file hws/hw04.pdf has changed
diff -r efad8155513f -r b322a245589c hws/hw04.tex
--- a/hws/hw04.tex	Mon Dec 08 11:14:33 2014 +0000
+++ b/hws/hw04.tex	Tue Dec 09 07:41:28 2014 +0000
@@ -25,7 +25,7 @@
 \item What does it mean that the program \texttt{passwd} has the
   \texttt{setuid} bit set? Why is this necessary?
 
-\item With which permissions does the program \texttt{login}
+\item Which permissions does the program \texttt{login}
 normally have and why is this needed?
 
 \item The variable \texttt{PATH} is a shell variable in UNIX which