[FE training-materials-updates] Replace "tar Jxf" by "tar xf"

[Michael Opdenacker]

Repository : git://git.free-electrons.com/training-materials.git

On branch  : master
Link       : http://git.free-electrons.com/training-materials/commit/?id=e9ff01de5fd7c061d5f4072d2bfb6a7a078ce4f1

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

commit e9ff01de5fd7c061d5f4072d2bfb6a7a078ce4f1
Author: Michael Opdenacker <michael.opdenacker at free-electrons.com>
Date:   Sun Feb 2 05:59:42 2014 +0100

    Replace "tar Jxf" by "tar xf"
    
    - Good to show people that tar automatically detects
      the compression format.
    
    Signed-off-by: Michael Opdenacker <michael.opdenacker at free-electrons.com>


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

e9ff01de5fd7c061d5f4072d2bfb6a7a078ce4f1
 labs/boottime-bootloader/boottime-bootloader.tex   |    2 +-
 .../boottime-getting-started.tex                   |    2 +-
 labs/boottime-install/boottime-install.tex         |    2 +-
 labs/boottime-kernel/boottime-kernel.tex           |    2 +-
 labs/boottime-measuring/boottime-measuring.tex     |    2 +-
 .../kernel-sources-download.tex                    |    2 +-
 .../sysdev-linux-intro-sources.tex                 |    2 +-
 7 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/labs/boottime-bootloader/boottime-bootloader.tex b/labs/boottime-bootloader/boottime-bootloader.tex
index 43b6463..a853d2d 100644
--- a/labs/boottime-bootloader/boottime-bootloader.tex
+++ b/labs/boottime-bootloader/boottime-bootloader.tex
@@ -21,7 +21,7 @@ for details about where we got these sources from.}
 \begin{verbatim}
 cd /opt/felabs/boottime/barebox
 cp /opt/BootTime/downloads/barebox-2013.08.tar.xz .
-tar Jxf barebox-2013.08.tar.xz
+tar xf barebox-2013.08.tar.xz
 \end{verbatim}
 
 We also apply some patches providing configuration and environments files
diff --git a/labs/boottime-getting-started/boottime-getting-started.tex b/labs/boottime-getting-started/boottime-getting-started.tex
index b604243..2e19aa9 100644
--- a/labs/boottime-getting-started/boottime-getting-started.tex
+++ b/labs/boottime-getting-started/boottime-getting-started.tex
@@ -117,7 +117,7 @@ Let's take the copy of the demo from the USB flash drive and extract it:
 
 \begin{verbatim}
 cp /media/BootTime/downloads/sama5d3xek-demo.tar.xz .
-tar Jxf sama5d3xek-demo.tar.xz
+tar xf sama5d3xek-demo.tar.xz
 \end{verbatim}
 
 SAM-BA requires an extra Ubuntu package:
diff --git a/labs/boottime-install/boottime-install.tex b/labs/boottime-install/boottime-install.tex
index 83300dc..4de8a3a 100644
--- a/labs/boottime-install/boottime-install.tex
+++ b/labs/boottime-install/boottime-install.tex
@@ -139,7 +139,7 @@ Type the below commands:
 cd /opt
 sudo chown -R $USER.$USER .
 wget http://free-electrons.com/labs/labs.tar.xz
-sudo tar Jxf labs.tar.xz
+sudo tar xf labs.tar.xz
 sudo chown -R $USER.$USER .
 \end{verbatim}
 
diff --git a/labs/boottime-kernel/boottime-kernel.tex b/labs/boottime-kernel/boottime-kernel.tex
index 094b045..6a20a52 100644
--- a/labs/boottime-kernel/boottime-kernel.tex
+++ b/labs/boottime-kernel/boottime-kernel.tex
@@ -17,7 +17,7 @@ Plug-in your USB disk and type the below commands:
 \begin{verbatim}
 cd /opt/felabs/boottime/kernel
 cp /media/BootTime/downloads/linux-3.6.9-at91.tar.xz .
-tar Jxf linux-3.6.9-at91.tar.xz
+tar xf linux-3.6.9-at91.tar.xz
 source env.sh
 cd linux-3.6.9-at91
 make sama5d3_defconfig
diff --git a/labs/boottime-measuring/boottime-measuring.tex b/labs/boottime-measuring/boottime-measuring.tex
index e345cca..12fb7b4 100644
--- a/labs/boottime-measuring/boottime-measuring.tex
+++ b/labs/boottime-measuring/boottime-measuring.tex
@@ -186,7 +186,7 @@ won't work):
 
 \begin{verbatim}
 cd /opt/felabs/boottime/buildroot/
-tar Jxf /media/BootTime/precompiled/buildroot-at91-`arch`.tar.xz
+tar xf /media/BootTime/precompiled/buildroot-at91-`arch`.tar.xz
 \end{verbatim}
 
 You can see that the above command automatically picks up the right
diff --git a/labs/kernel-sources-download/kernel-sources-download.tex b/labs/kernel-sources-download/kernel-sources-download.tex
index aa604a1..038e93c 100644
--- a/labs/kernel-sources-download/kernel-sources-download.tex
+++ b/labs/kernel-sources-download/kernel-sources-download.tex
@@ -64,7 +64,7 @@ You will just have to extract this archive in the current directory,
 and then pull the most recent changes over the network:
 
 \begin{verbatim}
-tar Jxf linux-git.tar.xz
+tar xf linux-git.tar.xz
 cd linux
 git pull
 \end{verbatim}
diff --git a/slides/sysdev-linux-intro-sources/sysdev-linux-intro-sources.tex b/slides/sysdev-linux-intro-sources/sysdev-linux-intro-sources.tex
index cfd1993..a78e71b 100644
--- a/slides/sysdev-linux-intro-sources/sysdev-linux-intro-sources.tex
+++ b/slides/sysdev-linux-intro-sources/sysdev-linux-intro-sources.tex
@@ -88,7 +88,7 @@
       \normalsize
     \item Extract command:\\
       \footnotesize
-      \code{tar Jxf linux-3.10.9.tar.xz}
+      \code{tar xf linux-3.10.9.tar.xz}
       \normalsize
     \end{itemize}
   \item {\bf Incremental patches between versions}