A script can utilize variables, parameters, and flow control to perform any number of tasks including processing input and executing programs. This course describes how users can be added and maintained with system administration tools and shell commands. There are several important considerations when establishing new users. The Linux system provides multiple methods of user communication to handle various situations. This course also describes means for monitoring, terminating, and prioritizing processes, including the at code and cron code utilities.
File systems reside in disk partitions and are available when they are mounted.
While Linux is a relatively stable system, corruption does occur and can be damaging. This course discusses the critical administrator function of System backup. Linux provides several tools for creating physical and logical copies. This course discusses the Linux complex bootup sequence and shutdown command, along with system states. Additionally, this course covers system initialization and the various files used to control it.