cat

Concatenate files and print their contents to standard output.

Quick Start

1. Verify availability: cat --version (GNU) or man cat
2. Display a file: cat file.txt
3. Concatenate files: cat a.txt b.txt > combined.txt

Intent Router

• references/cheatsheet.md — Display, concatenate, number lines, show non-printing characters, file writing via heredoc
• references/advanced-usage.md — Combining with pipelines, heredoc patterns, binary file awareness, tac for reverse
• references/troubleshooting.md — Binary content warnings, large file pitfalls, useless use of cat, encoding issues

Core Workflow