/usr/bin/xttitle
The program executable.
Change window and icon title for xterm windows
xttitle <window
title>
[<icon
title>]
The xttitle program is simple utility that allows you to change the window title and icon name for an xterm window.
/usr/bin/xttitle
The program executable.
/usr/share/man/man1/xttitle.1
This man page
5 releases since Debian 9 (Stretch); the text changed 1 time.