---
name: "btnx"
section: "8"
platform: "linux"
package: "btnx"
version: "0.4.11-3"
release: "Debian 6.0 (Squeeze)"
platforms: ["linux"]
url: "https://new.carta.tech/btnx"
---

# btnx(8)

Button Extension - a GNU/GPL mouse tool for GNU/Linux

## NAME

btnx - Button Extension - a GNU/GPL mouse tool for GNU/Linux

## SYNOPSIS

**/etc/init.d/btnx start\|stop\|restart**

## DESCRIPTION

btnx is a daemon that enables rerouting of mouse button events through uinput as keyboard and other mouse button combinations. For example, you can configure an extra mouse button to send a Ctrl+Alt+Right command to switch workspaces. This is especially useful for mice with more buttons than Gnome or KDE can properly handle, or mice that need evdev and a 100 step howto to register button events at all.

Actually btnx integrates revoco, a program that allows changing MX Revolution's wheel behavior, but in the Debian version the revoco functionality has been removed because it doesn't have a clean license.

btnx is best configured by using btnx-config, which is needed anyway. btnx requires btnx-config to work, because btnx-config also detects your mouse and its buttons. This combination should work for just about any mouse.

You need to run btnx-config and use it to configure btnx at least once, before the btnx-daemon can successfully start.

## AUTHOR

btnx was written by Olli Salonen \<oasalonen@gmail.com\>.

This manual page was created by Philipp Huebner \<debalance@arcor.de\> for the Debian project (but may be used by others).

## SEE ALSO

**[btnx-config(8x)](/btnx-config/8x.md)**