os

Lesson in the Go Roadmap · Stage 31: Standard Library

Last updated 14 September 2026

What is os?

Standard library package providing operating system interface. Handles file operations, environment variables, process management, and system information. Includes functions for file I/O, directory operations, process control, and cross-platform OS interactions. Essential for system programming.

Study this in the interactive course See the whole Go roadmap

Free resources to learn os

Official docsos package
ArticleAn Overview of Go's os and io Packages

os: common questions

Can I learn os in Hindi?

This lesson is written in English. Once you sign in, open it in the interactive course and ask the AI tutor to explain os in Hindi or Hinglish. The tutor answers from this lesson’s own text, so it stays on the syllabus, and it runs on your own Google, OpenAI or Anthropic key.

Is this os tutorial for beginners?

It is lesson 112 of 172 in the free Go roadmap, in stage 31, Standard Library. If you are new to Go, start from stage 1 and come back here in order; if you already know the earlier stages, this lesson stands on its own.