CLS
Purpose:Clears the gnucap interpreter
Status:Implemented
Syntax:
    cls
    cls [command]
Comments:
A command can be issued with cls,it first clears the interpreter and then run th command. A bare cls simply clears the interpreter.
Example: Following command first clears the screen and then runs the command 'sysinfo'.
     gnucap>cls sysinfo
     Model name	  : Intel(R) Core(TM) i5-2450M CPU @ 2.50GHz
     OS Description     :"Ubuntu 12.04 LTS"
     CPU MHz	          : 2494.409
     RAM Available      : 1012348kB
     RAM Free           : 132372kB
     gnucap>