Boot Loader: Briefly introduce the boot loader of system. Reference: Debian, Arch wiki.
Initialization: Introduction to initialization process of Linux.
User and group: Introduction to concepts of user and group in Linux.
User and task: Relationship of user and task in Linux.
File and directory: Introduction to files management in Linux.
File permission: File permission controls in Linux.
File system: Introduction to commonly used file system types.
Mount: Management mount point.
Disk management: Basic operations to disk partitions.
Program and process: Relationship of a program and its process.
Process management: Process management in Linux.
General program configuration: General configurations format of programs.
Autostart program: Auto-start configurations of programs.
Desktop entry: Introduction to formats of desktop entry files.
Software source: Definitions of software source and how to manage sources.
Source package: Compilation, installation and uninstallation of source package.
Binary package: Installation and uninstallation of binary packages.
Package: Introduction to package management system in Linux.
Package management: Introduction to package management utility - dpkg.
System service: Introduction to system services in Linux.
Service configuration: Management of default services in Linux.
LAMP service: Software collection for server: Linux + Apache + MySQL + PHP.
Display manager: Usage and configuration of display manager in Linux.
Shell: Introduction to command shell and graphical shell.
Graphics server: Commonly used graphical server.
Desktop environment: Different types of desktop environment and their compositions.
Window manager: Different types of window manager and their compositions.
Command shell: Introduction to command shells.
System language: Change system language to meet needs of different users. Reference: Arch wiki:Locale
Introduction to network: Basic knowledge of network.
Network management: Commonly used network operations.
System log: Introduction to system journal.
System hang: Ways of dealing system hangs.