Linux

What

• The kernel of a family of open-source Unix-like Operating systems (OS)
• It’s Unix-like because Linux kernel was created to be a Unix clone, but it gas grown to be much more
• The Linux kernel + GNU software = Linux distro
  • The GNU project

• Use cases of linux
  • Servers (web, email, file)
  • Data centers (cloud computing)
  • micro-computers
  • cyber-security
  • internet of things
  • android smartphone
• Why linux? (feb 2025)
  • I want to get low-level.. and understand how it works work
    • work with servers? professional certification? personal projects?
  • few hrs aside a week just for studying linux
  • adapt the commands, and try them on your own system, experiment and challenge myself

Introduction

• Linux Distributions
• How to run Linux
• Adding korean keyboard
  • https://wr-rainforest.tistory.com/10

Core Linux Concepts

• User Management Basics
  • What is Sudo
• Package Management
• File directories in Linux

Bash CLI

• Bash, shell, terminal, command line, kernel
• What is Bash + setup
• Basic Bash commands
  • Filename expansion (globbing)
• Redirection - Manage Data Streams
• Pipes

Advanced Bash