bufio

Lesson in the Go Roadmap · Stage 31: Standard Library

Last updated 14 September 2026

What is bufio?

Provides buffered I/O operations wrapping io.Reader/Writer interfaces for better performance. Reduces system calls by reading/writing larger chunks. Includes Scanner for line reading, Reader for buffered reading, Writer for buffered writing. Essential for efficient large file/network operations.

Study this in the interactive course See the whole Go roadmap

Free resources to learn bufio

Official docsBufio
Official docsBufio Package
ArticleGo Fast with bufio: Unlocking the Power of Buffered I/O

bufio: common questions

Can I learn bufio 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 bufio 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 bufio tutorial for beginners?

It is lesson 113 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.