The GNU/Linux systems have reached an important level of maturity, allowing to integrate them in almost any kind of work environment, from a desktop PC to the sever facilities of a big company. In this ebook “The GNU/Linux Operating System”, the main contents are related with system administration. You will learn how to install and configure several computer services, and how to optimize and synchronize the resources using GNU/Linux. The topics covered in this 500+ page eBook include Linux network, server and data administration, Linux kernel, security, clustering, configuration, tuning, optimization, migration and coexistence with non-Linux systems. A must read for any serious Linux system admin.