Linux kernel

Control and interrogation of the kernel and modules during the
operation
Configuration, construction and installation of a kernel on
measure and its modules

Startup, initialization, system shutdown and execution levels

Boot System
Changing execution level and off or reboot the system

Printing

Management of printers and printer queues
Printing files
Installing and configuring local and remote printers

Documentation

Use and maintain a system of documentation
Find Linux Documentation on the Internet
Inform users how to use the system

Shells, scripts, programming, and compilation

Configure and use the shell environment,
Configure and write simple scripts

Tasks of system management

Manage user accounts groups and associated files
Optimizing the user environment and variables of system environment
Configure and use log files to meet security and administration needs
Automate administrative tasks in planning of work system  in advance
Maintenance of a strategy for effective data backup
Maintenance of the system date

Bases network

Basic of TCP / IP
Configuration and problem resolution of TCP / IP
Configuring of Linux as a PPP client

Network services

Configuration and inetd xinetd management and in relation services
Installation and modification of a simple configuration of Sendmail
Installation and modification of a simple configuration of Apache
Proper management of NFS and Samba
Installation and modification of a simple configuration of DNS services
Installing a secure shell (OpenSSH)

 Security

Perform administrative tasks for Security
Secure a system
Establish user-level security