---
name: "bup-mux"
section: "1"
platform: "linux"
package: "bup"
version: "0.34-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/bup-mux"
---

# bup-mux(1)

multiplexes data and error streams over a connection

## NAME

bup-mux - multiplexes data and error streams over a connection

## SYNOPSIS

bup mux \<command\> \[options...\]

## DESCRIPTION

`bup mux` is used in the bup client-server protocol to send both data and debugging/error output over the single connection stream.

`bup mux bup server` might be used in an inetd server setup.

## OPTIONS

- command

  the command to run

- options

  options for the command

## BUP

Part of the [`bup`(1)](/bup/1.md) suite.

## AUTHORS

Brandon Low ⟨lostlogic@lostlogicx.com⟩\\c.