diff --git a/03_01_installation_der_systemumgebung.md b/03_1_installation_der_systemumgebung.md
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rename to 03_1_installation_der_systemumgebung.md
diff --git a/03_2_einfuhrung_in_das_linux_terminal.md b/03_2_einfuhrung_in_das_linux_terminal.md
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+# 3.2 Einführung in das Linux Terminal
+