1.\" resizewin 2.\" 3.\" Query terminal for size and inform the kernel 4.\" 5.\" Copyright 2015 EMC / Isilon Storage Division 6.\" 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 1. Redistributions of source code must retain the above copyright 11.\" notice, this list of conditions and the following disclaimer. 12.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" notice, this list of conditions and the following disclaimer in the 14.\" documentation and/or other materials provided with the distribution. 15.\" 16.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26.\" SUCH DAMAGE. 27.\" 28.\" $FreeBSD$ 29.\" 30.Dd July 9, 2016 31.Dt RESIZEWIN 1 32.Os 33.Sh NAME 34.Nm resizewin 35.Nd update the kernel window size for the current TTY 36.Sh DESCRIPTION 37Query the terminal emulator window size with the 38.Dv TIOCSWINSZ 39ioctl and set the window size known by the kernel to the new values. 40The terminal is assumed to be VT100/ANSI compatible. 41.Nm 42is functionally similar to 43.Xr resize 1 , 44which is part of the 45.Xr xterm 1 46distribution. 47However, 48.Nm 49only works with VT100/ANSI-compatible terminals and does 50not emit commands to set environment variables. 51.Pp 52After a terminal window has been resized, running 53.Nm 54updates the kernel's window size to match the new size. 55.Pp 56Note that virtually all modern terninals support VT100/ANSI escape 57sequences, including xterm, konsole, gnome-terminal iTerm, 58Terminal.app, and PuTTY. 59.Sh SEE ALSO 60.Xr resize 1 , 61.Xr stty 1 62.Sh HISTORY 63The 64.Nm 65command first appeared in 66.Fx 11 . 67