From f65aa4a0f2d90f9c7976d3bf05ba75b6882d2ac4 Mon Sep 17 00:00:00 2001
From: Lukas Kleybolte <32893711+Mozartuss@users.noreply.github.com>
Date: Mon, 31 Oct 2022 02:29:54 +0100
Subject: [PATCH] add a german Linux ressource (#9120)

---
 books/free-programming-books-de.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/books/free-programming-books-de.md b/books/free-programming-books-de.md
index 614ebc34f..28025c2c4 100644
--- a/books/free-programming-books-de.md
+++ b/books/free-programming-books-de.md
@@ -18,6 +18,7 @@
 * [JavaScript](#javascript)
     * [React](#react)
 * [LaTeX](#latex)
+* [Linux](#linux)
 * [Mathematik](#mathematik)
 * [Meta-Lists](#meta-lists)
 * [MySQL](#mysql)
@@ -161,6 +162,11 @@
 * [LaTeX : Referenz der Umgebungen, Makros, Längen und Zähler](http://www.lehmanns.de/page/latexreferenz)
 
 
+### Linux
+
+* [Linux - Das umfassende Handbuch](https://openbook.rheinwerk-verlag.de/linux/) - Johannes Plötner, Steffen Wendzel (HTML)
+
+
 ### Mathematik
 
 * [Calcul mathématique avec SAGE](http://www.loria.fr/~zimmerma/sagebook/CalculDeutsch.pdf) - Paul Zimmermann, et al. (PDF)