Richard Blum

LPIC-1 Linux Professional Institute Certification Study Guide

2019

Linux Command Line and Shell Scripting Bible

2020

SQL Alles-in-einem-Band für Dummies

2024

Linux All-In-One For Dummies

2022

LPIC-2: Linux Professional Institute Certification Study Guide

2016

CompTIA Linux+ Study Guide

2022

SQL Essentials For Dummies

2025