Covers all exam topics, including: Virtual Machines and Automated Installations; Fundamental Command Line Skills; RHCSA-Level Security Options; The Boot Process; Linux Filesystem Administration; Package Management; User Administration; RHCSA-Level System Administration Tasks; Security; System Services and SELinux; RHCE Administrative Tasks; Electronic Mail Servers; The Apache Web Server; The Samba File Server; More File-Sharing Services; Administrative Services: DNS, FTP, and Logging.