dialog version 0.3, by Savio Lam (lam836@cs.cuhk.hk).
  patched to version 0.4 by Stuart Herbert (S.Herbert@shef.ac.uk)
    cdialog (ComeOn Dialog!) version 0.9a by Pako (demarco_p@abramo.it)

* Display dialog boxes from shell scripts *

Usage: /bin/dialog <Common options> <Box options> { --and-widget <Common options> <Box options> }

Common options: <Global options>
       [--backtitle <backtitle>] [--sleep <secs>] [--beep] [--beep-after]
       [--clear] [--begin <y> <x>] [--aspect <ratio>] [--print-size]
       [--print-maxsize] [--size-err] [--separate-output] [--cr-wrap]
       [--tab-len <n>] [--tab-correct] [--print-version] [--no-kill]
       [--title <title>]

Global options: [--shadow] [--no-shadow] [--separate-widget "<str>"]

Box options:
  --yesno     <text> <height> <width>
  --msgbox    <text> <height> <width>
  --infobox   <text> <height> <width>
  --inputbox  <text> <height> <width> [<init>]
  --textbox   <file> <height> <width>
  --menu      <text> <height> <width> <menu height> <tag1> <item1>...
  --checklist <text> <height> <width> <list height> <tag1> <item1> <status1>...
  --radiolist <text> <height> <width> <list height> <tag1> <item1> <status1>...
  --guage     <text> <height> <width> <percent>
  --tailbox   <file> <height> <width>
  --tailboxbg <file> <height> <width>

 (auto-size with height and width = 0. Maximize with height and width = -1)
 (global-auto-size if also menu_height/list_height = 0)