# backspace

Source: https://libtmux.org/en/tmux/3.2a/catalog/options/backspace/

> Set the key sent by tmux for backspace.

option tmux3.2a

Set the key sent by tmux for backspace.

* Scope

  server

* Type

  Key

* Default

  `C-?`

* Set

  [`set-option`](https://libtmux.org/en/tmux/3.2a/manual/set-option/) `-s backspace value`

* Read

  [`show-options`](https://libtmux.org/en/tmux/3.2a/manual/show-options/) `-s backspace`

## Description[#](https://libtmux.org/en/tmux/3.2a/catalog/options/backspace/#description)

Set the key sent by `tmux` for backspace.

## Releases[#](https://libtmux.org/en/tmux/3.2a/catalog/options/backspace/#releases)

* [tmux 3.7c](https://libtmux.org/en/tmux/3.7c/catalog/options/backspace/) : present
* [tmux 3.2a](https://libtmux.org/en/tmux/3.2a/catalog/options/backspace/) : present

## Source[#](https://libtmux.org/en/tmux/3.2a/catalog/options/backspace/#source)

* Defined in

  [`options-table.c:193`](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/options-table.c#L193)

* C source reference

  [`options_table`](https://libtmux.org/en/tmux/3.2a/reference/c-variable-options_table/)

* CLI Manual

  [Original manual entry](https://libtmux.org/en/tmux/3.2a/manual/full/#options-backspace)

## Used by[#](https://libtmux.org/en/tmux/3.2a/catalog/options/backspace/#used-by)

Library documentation that names this option.

* Rust

  [`options.generated.BACKSPACE`](https://libtmux.org/en/rs/latest/reference/options-generated-backspace/)