Week 1 of 12 🚀

Introduction to Claude Code

āđāļ™āļ°āļ™āļģ Claude Code

Introduction to Claude Code

1. Introduction / āļšāļ—āļ™āļģ

Claude Code āļ„āļ·āļ­āđ€āļ„āļĢāļ·āđˆāļ­āļ‡āļĄāļ·āļ­āļšāļĢāļĢāļ—āļąāļ”āļ„āļģāļŠāļąāđˆāļ‡ (CLI) āļ­āļĒāđˆāļēāļ‡āđ€āļ›āđ‡āļ™āļ—āļēāļ‡āļāļēāļĢāļ‚āļ­āļ‡ Anthropic āļŠāļģāļŦāļĢāļąāļš Claude AI āļŠāđˆāļ§āļĒāđƒāļŦāđ‰āļ„āļļāļ“āļ—āļģāļ‡āļēāļ™āļāļąāļš Claude āđƒāļ™āđ€āļ—āļ­āļĢāđŒāļĄāļīāļ™āļąāļĨāđ„āļ”āđ‰āđ‚āļ”āļĒāļ•āļĢāļ‡ â€” āļ­āđˆāļēāļ™āđ„āļŸāļĨāđŒ āđ€āļ‚āļĩāļĒāļ™āđ‚āļ„āđ‰āļ” āļĢāļąāļ™āļ„āļģāļŠāļąāđˆāļ‡ āđāļĨāļ°āļˆāļąāļ”āļāļēāļĢāđ‚āļ›āļĢāđ€āļˆāļāļ•āđŒāļ—āļąāđ‰āļ‡āļŦāļĄāļ”āļœāđˆāļēāļ™āļāļēāļĢāļŠāļ™āļ—āļ™āļēāļ”āđ‰āļ§āļĒāļ āļēāļĐāļēāļ˜āļĢāļĢāļĄāļŠāļēāļ•āļī
Claude Code is Anthropic's official command-line interface (CLI) for Claude AI. It lets you work with Claude directly in your terminal — reading files, writing code, running commands, and managing entire projects through natural language conversation.

Fun Facts / āļ‚āđ‰āļ­āđ€āļ—āđ‡āļˆāļˆāļĢāļīāļ‡āļ—āļĩāđˆāļ™āđˆāļēāļŠāļ™āđƒāļˆ

  • Claude Code supports macOS, Windows, and Linux!
  • You can install it with just one command.
  • It works with Pro, Max, Teams, and Enterprise accounts.

2. Vocabulary / āļ„āļģāļĻāļąāļžāļ—āđŒ

Click a card to flip it. āļ„āļĨāļīāļāļāļēāļĢāđŒāļ”āđ€āļžāļ·āđˆāļ­āļžāļĨāļīāļ

install
āļ•āļīāļ”āļ•āļąāđ‰āļ‡
To set up software on a computer
terminal
āđ€āļ—āļ­āļĢāđŒāļĄāļīāļ™āļąāļĨ
A text-based interface to interact with a computer
command
āļ„āļģāļŠāļąāđˆāļ‡
An instruction given to a computer
prompt
āļžāļĢāļ­āļĄāļ•āđŒ
A message asking for input
version
āđ€āļ§āļ­āļĢāđŒāļŠāļąāļ™
A specific release of software
run
āļĢāļąāļ™ / āđ€āļĢāļĩāļĒāļāđƒāļŠāđ‰
To execute a program or command
setup
āļ•āļąāđ‰āļ‡āļ„āđˆāļē
To prepare something for use
login
āđ€āļ‚āđ‰āļēāļŠāļđāđˆāļĢāļ°āļšāļš
To sign in to an account
account
āļšāļąāļāļŠāļĩ
A user profile for a service
session
āđ€āļ‹āļŠāļŠāļąāļ™
A period of working with the tool
output
āļœāļĨāļĨāļąāļžāļ˜āđŒ
The result produced by a command
CLI
āļ‹āļĩāđāļ­āļĨāđ„āļ­
Command Line Interface — a text-based tool

3. Grammar Focus / āđ„āļ§āļĒāļēāļāļĢāļ“āđŒ

Imperative Sentences (Install, Run, Open) / āļ›āļĢāļ°āđ‚āļĒāļ„āļ„āļģāļŠāļąāđˆāļ‡ (Install, Run, Open)

Thai:
āļ›āļĢāļ°āđ‚āļĒāļ„āļ„āļģāļŠāļąāđˆāļ‡āđƒāļŠāđ‰āļŠāļąāđˆāļ‡āļŦāļĢāļ·āļ­āđƒāļŦāđ‰āļ„āļģāđāļ™āļ°āļ™āļģ āđ€āļĢāļīāđˆāļĄāļ•āđ‰āļ™āļ”āđ‰āļ§āļĒāļāļĢāļīāļĒāļēāđāļĨāļ°āđ„āļĄāđˆāļĄāļĩāļ›āļĢāļ°āļ˜āļēāļ™ (āļ›āļĢāļ°āļ˜āļēāļ™ 'you' āļ–āļđāļāļĨāļ°āđ„āļ§āđ‰) āļ•āļąāļ§āļ­āļĒāđˆāļēāļ‡: 'Install Claude Code.' 'Run the command.' 'Open your terminal.'
English:
Imperative sentences give commands or instructions. They start with a verb and have no subject (the subject 'you' is implied). Examples: 'Install Claude Code.' 'Run the command.' 'Open your terminal.'
āļ•āļīāļ”āļ•āļąāđ‰āļ‡ Claude Code āļšāļ™āļ„āļ­āļĄāļžāļīāļ§āđ€āļ•āļ­āļĢāđŒāļ‚āļ­āļ‡āļ„āļļāļ“
Install Claude Code on your computer.
āļĢāļąāļ™ 'claude' āđƒāļ™āđ€āļ—āļ­āļĢāđŒāļĄāļīāļ™āļąāļĨ
Run 'claude' in the terminal.
āđ€āļ›āļīāļ”āđ€āļ‹āļŠāļŠāļąāļ™āđƒāļŦāļĄāđˆ
Open a new session.

Section Check 1

What command starts a Claude Code session?

āļ„āļģāļŠāļąāđˆāļ‡āļ­āļ°āđ„āļĢāđ€āļĢāļīāđˆāļĄāđ€āļ‹āļŠāļŠāļąāļ™ Claude Code?

Section Check 2

Which sentence is imperative?

āļ›āļĢāļ°āđ‚āļĒāļ„āđ„āļŦāļ™āđ€āļ›āđ‡āļ™āļ›āļĢāļ°āđ‚āļĒāļ„āļ„āļģāļŠāļąāđˆāļ‡?

Section Check 3

What does CLI stand for?

CLI āļĒāđˆāļ­āļĄāļēāļˆāļēāļāļ­āļ°āđ„āļĢ?

4. Tutorial Steps / āļ‚āļąāđ‰āļ™āļ•āļ­āļ™āļāļēāļĢāđ€āļĢāļĩāļĒāļ™āļĢāļđāđ‰

1
Open your terminal / āđ€āļ›āļīāļ”āđ€āļ—āļ­āļĢāđŒāļĄāļīāļ™āļąāļĨāļ‚āļ­āļ‡āļ„āļļāļ“
On Windows, press Win+R and type 'cmd' or open PowerShell. On Mac, open Terminal from Applications.
2
Install Claude Code / āļ•āļīāļ”āļ•āļąāđ‰āļ‡ Claude Code
Run: curl -fsSL https://claude.ai/install.sh | bash (Mac/Linux) or irm https://claude.ai/install.ps1 | iex (Windows PowerShell)
3
Verify installation / āļ•āļĢāļ§āļˆāļŠāļ­āļšāļāļēāļĢāļ•āļīāļ”āļ•āļąāđ‰āļ‡
Run: claude --version to see the installed version number.
4
Start your first session / āđ€āļĢāļīāđˆāļĄāđ€āļ‹āļŠāļŠāļąāļ™āđāļĢāļ
Navigate to your project folder and type: claude
5
Login to your account / āđ€āļ‚āđ‰āļēāļŠāļđāđˆāļĢāļ°āļšāļšāļšāļąāļāļŠāļĩāļ‚āļ­āļ‡āļ„āļļāļ“
A browser window will open. Sign in with your Anthropic account.

5. Hands-On Activity / āļāļīāļˆāļāļĢāļĢāļĄāļĨāļ‡āļĄāļ·āļ­āļ—āļģ

āđāļšāļšāļāļķāļāļŦāļąāļ”: āđ€āļ›āļīāļ”āđ€āļ—āļ­āļĢāđŒāļĄāļīāļ™āļąāļĨāđāļĨāļ°āļ•āļīāļ”āļ•āļąāđ‰āļ‡ Claude Code āļˆāļēāļāļ™āļąāđ‰āļ™āđ€āļĢāļīāđˆāļĄāđ€āļ‹āļŠāļŠāļąāļ™āđāļĨāļ°āļ‚āļ­āđƒāļŦāđ‰ Claude 'āļžāļđāļ”āļŠāļ§āļąāļŠāļ”āļĩāđ€āļ›āđ‡āļ™āļ āļēāļĐāļēāđ„āļ—āļĒ'
Practice: Open your terminal and install Claude Code. Then start a session and ask Claude to 'say hello in Thai'.

6. Reference Table / āļ•āļēāļĢāļēāļ‡āļ­āđ‰āļēāļ‡āļ­āļīāļ‡

Command / ToolEnglishāļ āļēāļĐāļēāđ„āļ—āļĒ
claude --versionCheck installed versionāļ•āļĢāļ§āļˆāļŠāļ­āļšāđ€āļ§āļ­āļĢāđŒāļŠāļąāļ™
claudeStart interactive sessionāđ€āļĢāļīāđˆāļĄāđ€āļ‹āļŠāļŠāļąāļ™āđāļšāļšāđ‚āļ•āđ‰āļ•āļ­āļš
claude doctorDiagnose issuesāļ§āļīāļ™āļīāļˆāļ‰āļąāļĒāļ›āļąāļāļŦāļē
claude --helpShow help informationāđāļŠāļ”āļ‡āļ‚āđ‰āļ­āļĄāļđāļĨāļŠāđˆāļ§āļĒāđ€āļŦāļĨāļ·āļ­

7. Summary / āļŠāļĢāļļāļ›

Claude Code āļ„āļ·āļ­āđ€āļ„āļĢāļ·āđˆāļ­āļ‡āļĄāļ·āļ­ CLI āļ—āļĩāđˆāļ™āļģ AI āđ€āļ‚āđ‰āļēāļĄāļēāđƒāļ™āđ€āļ—āļ­āļĢāđŒāļĄāļīāļ™āļąāļĨāļ‚āļ­āļ‡āļ„āļļāļ“ āļ•āļīāļ”āļ•āļąāđ‰āļ‡āđ„āļ”āđ‰āļ”āđ‰āļ§āļĒāļ„āļģāļŠāļąāđˆāļ‡āđ€āļ”āļĩāļĒāļ§āđāļĨāļ°āđ€āļĢāļīāđˆāļĄāđ€āļ‹āļŠāļŠāļąāļ™āđ‚āļ”āļĒāļžāļīāļĄāļžāđŒ 'claude' āļ›āļĢāļ°āđ‚āļĒāļ„āļ„āļģāļŠāļąāđˆāļ‡āđ€āļŠāđˆāļ™ 'Install', 'Run' āđāļĨāļ° 'Open' āđƒāļŠāđ‰āļŠāļģāļŦāļĢāļąāļšāđƒāļŦāđ‰āļ„āļģāđāļ™āļ°āļ™āļģ
Claude Code is a CLI tool that brings AI into your terminal. You install it with one command and start sessions by typing 'claude'. Imperative sentences like 'Install', 'Run', and 'Open' are used for giving instructions.

Homework / āļāļēāļĢāļšāđ‰āļēāļ™

1. āļ•āļīāļ”āļ•āļąāđ‰āļ‡ Claude Code āļšāļ™āļ„āļ­āļĄāļžāļīāļ§āđ€āļ•āļ­āļĢāđŒāļ‚āļ­āļ‡āļ„āļļāļ“
2. āđ€āļĢāļīāđˆāļĄāđ€āļ‹āļŠāļŠāļąāļ™āđāļĨāļ°āļ–āļēāļĄāļ„āļģāļ–āļēāļĄ 3 āļ‚āđ‰āļ­
3. āđ€āļ‚āļĩāļĒāļ™āļ›āļĢāļ°āđ‚āļĒāļ„āļ„āļģāļŠāļąāđˆāļ‡ 5 āļ›āļĢāļ°āđ‚āļĒāļ„āđ€āļāļĩāđˆāļĒāļ§āļāļąāļšāļāļēāļĢāđƒāļŠāđ‰āļ„āļ­āļĄāļžāļīāļ§āđ€āļ•āļ­āļĢāđŒ
1. Install Claude Code on your computer.
2. Start a session and ask three questions.
3. Write 5 imperative sentences about using a computer.