Linux

Course content

Introduction to Linux

• What is Operating System?
• What is Linux?
• What is Linux Distro?
• Major Linux Distros
• History of Linux

Key Components in Linux

• Kernel
• Terminal
• Shell
• User
• Group
• Partition
• Filesystem
• Process
• Package
• Service
• Network
• GUI
• SSH
• Shell Script

Overview of Linux

• Architecture of Linux
  • User Space
  • Kernel Space
• Linux vs Windows

FAQ on Linux

Prerequisites for Linux

Kernel

• What is the Purpose of Kernel?
• Types of Kernel
• How Kernel Works?
  • Process Management
  • Memory Management
  • Filesystem
• Manage Kernel

Terminal

• What is the Purpose of Terminal?
• Major Terminal Emulators
• What is TTY?
• What is Psuedo-Terminal?
• Manage Terminals

Shell

• What is the Purpose of Shell?
• Major Shells
• Manage Shells
• What is Environment Variable?
• Manage Environment Variables

User

• What is the Purpose of User?
• What is Sudo User?
• Manage Users

Group

• What is the Purpose of Group?
• Manage Groups

Partition

• What is the Purpose of Partition?
• Manage Partitions

Filesystem

• What is the Purpose of Filesystem?
• What is INode?
• Supported Filesystems in Linux
• Structure of Filesystem
• Manage Files & Directories in Filesystem
• Manage Filesystems
• Manage Ownerships & Permissions in Filesystem

Process

• What is the Purpose of Process?
• What is Daemon?
• Structure of Process Tree
• Process Signaling
• Schedule Process using Crontab
  • Crontab Syntax
  • Manage Crontab
• Manage Processes

Package

• What is the Purpose of Package?
• What is Package Manager?
• What is the Purpose of Package Manager?
• Manage Packages

Service

• What is the Purpose of Service?
• Manage Services

Network

• What is the Purpose of Network?
• Types of Network
• What is IP?
• What is Port?
• What is Socket?
  • Raw Socket
  • Stream Socket
  • Datagram Socket
• Understanding Network
• Manage Networks

Useful Commands

GUI

• What is the Purpose of GUI?
• Major GUIs

SSH

• What is the Purpose of SSH?
• History of SSH
• Key Differences between Telnet & SSH
• How SSH Works?
• Install & Configure SSH Server
• Configure SSH Key-based Authentication
• SSH to Remote Host
• Do's and Dont's with SSH

Shell Script

• What is the Purpose of Shell Script?
• Key Components in Shell Script
• Writing Shell Script
  • Shebang
  • Comment
  • Execute
  • Debug
  • Environment Variable
  • Keyboard Input
  • Arithmetic Operation
  • Pathname Expansion
  • Alias
  • Startup
  • Conditional Statement
  • Loop
  • CLI Argument
  • STDIN/STDOUT/STDERR
  • Pipe
  • Function
• Do's and Dont's with Shell Script

Interview on Linux