distributions, installation, boot, cli, gui • Basics – directories, configuration files, processes, users, logs • Files – permissions, operating, search, vi • Networking – configuration, security • Packages – installation, remove, updates • services – ssh, apache, mysql, php, dns, ftp Windows: • Overview – versions and evolution, cmd, boot, services • Basics – directories, configuration files, processes, users • Networking – configuration, security • Server side – ldap, iis, dns, dhcp, wamp, Virtual machines • Vmware – desktop, esx, installation, configuration • Virtual box – installation, configuration