fix broken links

linux_beginner/links.rst

@@ -7,18 +7,20 @@ Links
 
 - A full 500 page book about the Linux commandline for free(!): `LinuxCommand.org <http://linuxcommand.org/>`_ [#l1]_
 - Another nice introduction: `"A beginner's guide to UNIX/Linux" <http://www.mn.uio.no/astro/english/services/it/help/basic-services/linux/guide.html>`_ [#l2]_
-- The "*commandline starter*" chapter of an O'Reilly book: `Learning Debian GNU/Linux - Issuing Linux Commands <http://oreilly.com/openbook/debian/book/ch04_01.html>`_ [#l3]_
+- The "*commandline starter*" chapter of an O'Reilly book: `Learning Debian GNU/Linux - Issuing Linux Commands <http://www.oreilly.com/openbook/debian/book/ch04_01.html>`_ [#l3]_
 - A nice introduction to Linux/UNIX file permissions: `"chmod Tutorial" <http://www.catcode.com/teachmod/>`_ [#l4]_
-- `Linux Cheatsheets <http://www.cheat-sheets.org/#linux>`_ [#l5]_
-- For the technically interested:
-  `Linux Filesystem Hierarchy Standard <http://www.pathname.com/fhs/>`_ [#l6]_ and 
-  `Linux Standard Base <http://www.linuxfoundation.org/collaborate/workgroups/lsb>`_ [#l7]_
-- `Unix commands applied to bioinformatics <http://rous.mit.edu/index.php/Unix_commands_applied_to_bioinformatics>`_ [#l8]_
+- `Linux Cheatsheets <http://www.cheat-sheets.org/#Linux>`_ [#l5]_
 - `BioPieces <http://code.google.com/p/biopieces>`_ [#l9]_ are a collection of bioinformatics tools that can be pieced together in a very easy and flexible manner to perform both simple and complex tasks.
 - `Google shell style guide <https://code.google.com/p/google-styleguide>`_ [#l10]_
 - `Useful bash one-liners for bioinformatics <https://github.com/stephenturner/oneliners>`_ [#l11]_
 - Interactive explanation of your commandline: `Explain Shell <http://www.explainshell.com>`_ [#l12]_
 
+- `Bash One-Liners Explained, Part III: All about redirections <http://www.catonmat.net/blog/bash-one-liners-explained-part-three>`_ [#l14]_
+- `Bash Redirections Cheat Sheet <http://www.catonmat.net/blog/bash-redirections-cheat-sheet>`_ [#l15]_
+- `Redirection Tutorial <http://wiki.bash-hackers.org/howto/redirection_tutorial>`_ [#l16]_
+
+.. - For the technically interested: `Linux Filesystem Hierarchy Standard <http://www.pathname.com/fhs/>`_ [#l6]_ and `Linux Standard Base <http://www.linuxfoundation.org/collaborate/workgroups/lsb>`_ [#l7]_
+
 
 Command Line Mystery Game
 ^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -37,8 +39,8 @@ To play the game, get the files from github and read the instructions:
   cat instructions
 
 
-Real printed paper books
-^^^^^^^^^^^^^^^^^^^^^^^^
+Recommended Reading: Real printed paper books
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 - Dietz, M., "*Praxiskurs Unix-Shell*", O'Reilly (highly recommended!, German language only)
 - Herold, H., "*awk & sed*", Addison-Wesley
@@ -94,17 +96,17 @@ of the BioInformatics Center (BIC), National University of Singapore (NUS).
 
  .. [#l1] `http://linuxcommand.org/ <http://linuxcommand.org/>`_
  .. [#l2] `http://www.mn.uio.no/astro/english/services/it/help/basic-services/linux/guide.html <http://www.mn.uio.no/astro/english/services/it/help/basic-services/linux/guide.html>`_
- .. [#l3] `http://oreilly.com/openbook/debian/book/ch04_01.html <http://oreilly.com/openbook/debian/book/ch04_01.html>`_
+ .. [#l3] `http://www.oreilly.com/openbook/debian/book/ch04_01.html <http://www.oreilly.com/openbook/debian/book/ch04_01.html>`_
  .. [#l4] `http://www.catcode.com/teachmod/ <http://www.catcode.com/teachmod/>`_
- .. [#l5] `http://www.cheat-sheets.org/#linux <http://www.cheat-sheets.org/#linux>`_
- .. [#l6] `http://www.pathname.com/fhs/ <http://www.pathname.com/fhs/>`_
- .. [#l7] `http://www.linuxfoundation.org/collaborate/workgroups/lsb <http://www.linuxfoundation.org/collaborate/workgroups/lsb>`_
- .. [#l8] `http://rous.mit.edu/index.php/Unix_commands_applied_to_bioinformatics <http://rous.mit.edu/index.php/Unix_commands_applied_to_bioinformatics>`_
+ .. [#l5] `http://www.cheat-sheets.org/#Linux <http://www.cheat-sheets.org/#Linux>`_
  .. [#l9] `http://code.google.com/p/biopieces <http://code.google.com/p/biopieces>`_
  .. [#l10] `https://code.google.com/p/google-styleguide <https://code.google.com/p/google-styleguide>`_
  .. [#l11] `https://github.com/stephenturner/oneliners <https://github.com/stephenturner/oneliners>`_
  .. [#l12] `http://www.explainshell.com <http://www.explainshell.com>`_
  .. [#l13] `https://github.com/veltman/clmystery <https://github.com/veltman/clmystery>`_
+ .. [#l14] `http://www.catonmat.net/blog/bash-one-liners-explained-part-three <http://www.catonmat.net/blog/bash-one-liners-explained-part-three>`_ 
+ .. [#l15] `http://www.catonmat.net/blog/bash-redirections-cheat-sheet <http://www.catonmat.net/blog/bash-redirections-cheat-sheet>`_ 
+ .. [#l16] `http://wiki.bash-hackers.org/howto/redirection_tutorial <http://wiki.bash-hackers.org/howto/redirection_tutorial>`_ 
 
  .. [#c1] `http://fedoraproject.org/wiki/FedoraLiveCD <http://fedoraproject.org/wiki/FedoraLiveCD>`_
  .. [#c2] `http://knopper.net/knoppix  <http://knopper.net/knoppix>`_