dialog binary package in Ubuntu Focal amd64

 This application provides a method of displaying several different types
 of dialog boxes from shell scripts. This allows a developer of a script
 to interact with the user in a much friendlier manner.
 .
 The following types of boxes are at your disposal:
  yes/no Typical query style box with "Yes" and "No" answer buttons
  menu A scrolling list of menu choices with single entry selection
  input Query style box with text entry field
  message Similar to the yes/no box, but with only an "Ok" button
  text A scrollable text box that works like a simple file viewer
  info A message display that allows asynchronous script execution
  checklist Similar to the menu box, but allowing multiple selections
  radiolist Checklist style box allowing single selections
  gauge Typical "progress report" style box
  tail Allows viewing the end of files (tail) that auto updates
  background tail Similar to tail but runs in the background.
  editbox Allows editing an existing file

Source package