# Coding Challenge #127 - Tmux

DevFeed: [Coding Challenge #127 - Tmux](<https://devfeed.tech/articles/coding-challenge-127-tmux-29203.md>)

Original publisher: [Read original article](<https://codingchallenges.substack.com/p/coding-challenge-127-tmux>)

Author: John Crickett

Published: 2026-07-18T08:00:26Z

Content type: tutorial

Language: en

Sources: [Coding Challenges](<https://devfeed.tech/sources/coding-challenges.md>)

Topics: [Code Challenge](<https://devfeed.tech/topics/code-challenge.md>), [systems](<https://devfeed.tech/topics/systems.md>), [Programming](<https://devfeed.tech/topics/programming.md>), [Terminal](<https://devfeed.tech/topics/terminal.md>), [Unix](<https://devfeed.tech/topics/unix.md>), [Shell](<https://devfeed.tech/topics/shell.md>)

Tags: [coding](<https://devfeed.tech/tags/coding.md>), [programming](<https://devfeed.tech/tags/programming.md>), [shell](<https://devfeed.tech/tags/shell.md>), [ssh](<https://devfeed.tech/tags/ssh.md>), [systems](<https://devfeed.tech/tags/systems.md>), [terminal](<https://devfeed.tech/tags/terminal.md>), [the-challenge](<https://devfeed.tech/tags/the-challenge.md>), [unix](<https://devfeed.tech/tags/unix.md>)

## AI overview

A coding challenge asks readers to build a simplified version of tmux, a terminal multiplexer. The project covers named sessions, detaching and reattaching, multiple windows, panes, shells, pseudo-terminals, Unix domain sockets, raw terminal modes, and screen rendering.

## Source excerpt

This challenge is to build your own tmux.