[bootlin/training-materials updates] master: Embedded Linux: mention the /usr merge (9f2c28d9)

[Michael Opdenacker]

Repository : https://github.com/bootlin/training-materials
On branch  : master
Link       : https://github.com/bootlin/training-materials/commit/9f2c28d97c899972c920ca4d7500c1738979569c

>---------------------------------------------------------------

commit 9f2c28d97c899972c920ca4d7500c1738979569c
Author: Michael Opdenacker <michael.opdenacker at bootlin.com>
Date:   Fri Apr 8 11:19:04 2022 +0200

    Embedded Linux: mention the /usr merge
    
    Signed-off-by: Michael Opdenacker <michael.opdenacker at bootlin.com>


>---------------------------------------------------------------

9f2c28d97c899972c920ca4d7500c1738979569c
 .../sysdev-root-filesystem-contents.tex                            | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/slides/sysdev-root-filesystem-contents/sysdev-root-filesystem-contents.tex b/slides/sysdev-root-filesystem-contents/sysdev-root-filesystem-contents.tex
index d9a44f54..d4b215ed 100644
--- a/slides/sysdev-root-filesystem-contents/sysdev-root-filesystem-contents.tex
+++ b/slides/sysdev-root-filesystem-contents/sysdev-root-filesystem-contents.tex
@@ -52,8 +52,9 @@
   \end{description}
 \end{frame}
 
-\begin{frame}
+\begin{frame}[fragile]
   \frametitle{Separation of programs and libraries}
+  \small
   \begin{itemize}
   \item Basic programs are installed in \code{/bin} and \code{/sbin}
     and basic libraries in \code{/lib}
@@ -69,5 +70,9 @@
   \item \code{/lib} contains the C library and sometimes a few other
     basic libraries
   \item All other programs and libraries are in \code{/usr}
+  \item Update: distributions are now making \code{/bin} link to
+    \code{/usr/bin}, \code{/lib} to \code{/usr/lib} and \code{/sbin}
+    to \code{/usr/sbin}. Details on
+    \url{https://www.freedesktop.org/wiki/Software/systemd/TheCaseForTheUsrMerge/}.
   \end{itemize}
 \end{frame}