The INKEY$ function reads a single keystroke from a terminal opened  on  a
  specified  channel  and  returns  the  typed  key.   Escape  sequences are
  interpreted and are returned as mnemonic strings.

  Example

  key_stroke$ = INKEY$(0%, WAIT)

1  –  Syntax

      string-var =  INKEY$(chnl-exp [,WAIT [int-exp] ] )