If you are a Linux beginner, here are some basic tutorials to help you understand more about Linux system.

Linux tutorial - A guide for Linux beginner
The Linux tutorials are collections of Linux theory and practical guides base on real imitation, done on Slackware and Ubuntu server distributions of Linux operating system. Linux tutorials are divided into four main sections. See the rest in this basic Linux tutorial.

Basics Linux command tutorial
Although many Linux distributions nowadays offer great and powerful graphical user interface window (GUI) tools, Linux commands still proved to be very useful and efficient in certain circumstances. Not to mention, working in Linux terminal is fun, fast and a great way at learning Linux operating system. Learn how to use Linux command in this tutorial.

Linux tutorial - Introduction to Linux administration
What is Linux administration? I didn't find any exact phrase for it. Linux administration always described as job that Linux system administrator does. If that so, then Linux administration means everything about Linux such as Linux installation, create and manage user accounts, permissions, ownerships, hardware, software and data management, Linux networking system, Linux system and network security, software installation, system upgrade, backup and so on.

Basic Slackware Linux learning guidelines for beginner
Slackware is a great Linux distribution for a beginner to start learning Linux operating system. Slackware enables user to fully control the operating system. Some people say that Slackware is a little hard for a beginner. Some others say that Slackware is primitive. Find out more about learning Slackware Linux in this tutorial.