# history_bytes

Source: https://libtmux.org/en/tmux/3.2a/catalog/formats/history_bytes/

> Number of bytes in window history

format variable tmux3.2a

Number of bytes in window history

* Scope

  Describes the pane being formatted

* Type

  Text

* Usage

  `#{history_bytes}`

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

Number of bytes in window history

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

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

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

* Defined in

  [`format.c:2633`](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/format.c#L2633)

* C source reference

  [`format_cb_history_bytes`](https://libtmux.org/en/tmux/3.2a/reference/c-function-format-c-format_cb_history_bytes/)

* CLI Manual

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

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

Library documentation that names this format variable.

* Go

  [`tmux.FormatValues.HistoryBytes`](https://libtmux.org/en/go/latest/reference/tmux-formatvalues-historybytes/), [`tmux.Pane.HistoryBytes`](https://libtmux.org/en/go/latest/reference/tmux-pane-historybytes/)