[bootlin/training-materials updates] master: slides/sysdev-linux-intro-features: Add back a single introductory slide (b2bd8945)

[Miquel Raynal]

Repository : https://github.com/bootlin/training-materials
On branch  : master
Link       : https://github.com/bootlin/training-materials/commit/b2bd8945c214d779875e22f9ebcc41d1357c9bad

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

commit b2bd8945c214d779875e22f9ebcc41d1357c9bad
Author: Miquel Raynal <miquel.raynal at bootlin.com>
Date:   Thu Mar 16 08:25:56 2023 +0100

    slides/sysdev-linux-intro-features: Add back a single introductory slide
    
    Keep the slide giving a bit of history/context.
    Do that only for the kernel training.
    
    Signed-off-by: Miquel Raynal <miquel.raynal at bootlin.com>


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

b2bd8945c214d779875e22f9ebcc41d1357c9bad
 .../sysdev-linux-intro-features.tex                | 34 +++-------------------
 1 file changed, 4 insertions(+), 30 deletions(-)

diff --git a/slides/sysdev-linux-intro-features/sysdev-linux-intro-features.tex b/slides/sysdev-linux-intro-features/sysdev-linux-intro-features.tex
index 1442f3a7..2d8dc72b 100644
--- a/slides/sysdev-linux-intro-features/sysdev-linux-intro-features.tex
+++ b/slides/sysdev-linux-intro-features/sysdev-linux-intro-features.tex
@@ -1,13 +1,11 @@
+\ifthenelse{\equal{\training}{linux-kernel}}{\
 \subsection{Linux kernel features}
 
 \begin{frame}
-  \frametitle{History}
+  \frametitle{Origin}
   \begin{columns}
     \column{0.8\textwidth}
     \begin{itemize}
-    \item The Linux kernel is one component of a system, which also
-      requires libraries and applications to provide features to end
-      users.
     \item The Linux kernel was created as a hobby in 1991 by a Finnish
       student, Linus Torvalds.
       \begin{itemize}
@@ -16,7 +14,7 @@
       \end{itemize}
     \item Linus Torvalds has been able to create a large and dynamic
       developer and user community around Linux.
-    \item As of today, about 2,000 people contribute to each kernel
+    \item As of today, about 2,000+ people contribute to each kernel
       release, individuals or companies big and small.
     \end{itemize}
     \column{0.2\textwidth}
@@ -28,31 +26,7 @@
       \url{https://bit.ly/2UIa1TD}
     \end{columns}
 \end{frame}
-
-\begin{frame}
-  \frametitle{Linux kernel key features}
-  \begin{columns}
-    \column{0.5\textwidth}
-    \begin{itemize}
-    \item Portability and hardware support. Runs on most architectures\\
-      (see \kdir{arch} in the source code).
-    \item Scalability. Can run on super computers as well as on tiny
-      devices (4 MB of RAM is enough).
-    \item Compliance to standards and interoperability.
-    \item Exhaustive networking support.
-    \end{itemize}
-    \column{0.5\textwidth}
-    \begin{itemize}
-    \item Security. It can't hide its flaws. Its code is reviewed by
-      many experts.
-    \item Stability and reliability.
-    \item Modularity. Can include only what a system needs even at run
-      time.
-    \item Easy to program. You can learn from existing code. Many
-      useful resources on the net.
-    \end{itemize}
-  \end{columns}
-\end{frame}
+}{}
 
 \begin{frame}
   \frametitle{Linux kernel in the system}