File

Identify file types using magic numbers and content analysis

Quick Start

1. Verify file is available: file --version or man file
2. Establish the command surface: man file or file --help
3. Start with a read-only probe: file file

Intent Router

Load only the reference file needed for the active request.

• references/install-and-setup.md — Installing file on macOS, Linux, Windows
• references/cheatsheet.md — Common options, output formats, usage patterns
• references/advanced-usage.md — Advanced patterns, performance optimization
• references/troubleshooting.md — Common errors, exit codes, platform differences