Binary package “xtermcontrol” in ubuntu focal

dynamic configuration of xterm properties

 xtermcontrol is an utility to dynamically query and modify xterm
 properties, making it easy to query and change colors, title, font and
 geometry of a running xterm. Window manipulations such as de-/iconify,
 raise/lower, maximize/restore and reset are also supported.
 .
 xtermcontrol also lets advanced users issue any xterm control sequence.