1.考生必须必须掌握以下基本技能，因为它们是RHCT和RHCE考试中必考的内容
* use standard command line tools (e.g., ls, cp, mv, rm, tail, cat, etc.) to create, remove, view, and investigate files and directories
* use grep, sed, and awk to process text streams and files
* use a terminal-based text editor, such as vi/vim, to modify text files
* use input/output redirection
* understand basic principles of TCP/IP networking, including IP addresses, netmasks, and gateways
* use su to switch user accounts
* use passwd to set passwords
* use tar, gzip, and bzip2v
* configure an email client on Red Hat Enterprise Linux
* use mozilla and/or links to access HTTP/HTTPS URLs
* use lftp to access FTP URLs
2.RHCT知识点
排错和系统维护
* boot systems into different run levels for troubleshooting and system maintenance
* diagnose and correct misconfigured networking
* diagnose and correct hostname resolution problems
* configure the X Window System and a desktop environment
* add new partitions, filesystems, and swap to existing systems
* use standard command-line tools to analyze problems and configure system
安装配置
* perform network OS installation
* implement a custom partitioning scheme
* configure printing
* configure the scheduling of tasks using cron and at
* attach system to a network directory service, such as NIS or LDAP
* configure autofs
* add and manage users, groups, and quotas
* configure filesystem permissions for collaboration
* install and update RPMs
* properly update the kernel RPM
* modify the system bootloader
* implement software RAID at install-time and run-time
* use /proc/sys and sysctl to modify and set kernel run-time parameters