Linux System Administration is the process of administering the Linux System and its processes by configuring, maintaining and upgrading the Linux Systems which runs on any of the major Linux Distribution Systems such as Red Hat Linux, Debian, and Ubuntu etc. It contains the management of enterprise Linux infrastructure. Different Programs and Processes can be managed and maintained in Linux administration. The other administering elements involved in the Linux System Administration are Process limits, creating processes, processing states, Daemons, libraries, execution modes, software packaging, Red Hat Package Manager, Debian Package, memory tuning and monitoring, network monitoring, I/O scheduling and monitoring, partition and formatting disks, formatting file systems, Kernel and module configuration, Virtualization, user and group management, Firewalls, Back-up, Restore methods, basic troubleshooting and system security etc.