Claude Code

Installation on Ubuntu (WSL2)

sudo apt install npm

mkdir -p ~/.npm-global
npm config set prefix ~/.npm-global
echo 'export PATH=~/.npm-global/bin:$PATH' >> ~/.bashrc
source ~/.bashrc

npm install -g @anthropic-ai/claude-code

which claude
claude doctor
claude --version

settings.json

	file	scope
User settings	~/.claude/settings.json
Project settings	.claude/settings.json	all users
Project settings	.claude/settings.local.json	local/personal only

Example:

{
  "permissions": {
    "allow": [
      "Bash(ls:*)"
    ],
    "deny": []
  }
}