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Date: Sat, 14 Mar 2009 17:27:28 +0000
From: Dave Korn <dave DOT korn DOT cygwin AT googlemail DOT com>
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Subject: Re: Clearing the Cygwin console
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Lee D. Rothstein wrote:
> Andy Koppe wrote:
>>> on Linux/UNIX systems with the command 'clear' the console content
>>> usually
>>> can be "flushed", on Windows with 'cls'.
>>> None of these commands worked with Cygwin. If I enter 'clear', the
>>> message
>>>  bash: clear: command not found
>>> is returned.
>>>
>>> How can a console used with Cygwin be cleared?
>>
>> Ctrl+L. Works in all terminals.
> 
> clear.exe is available in the ncurses package.
> 
> As Andy said ^-l works.
> 
> However, with both clear and ^-l, the scroll buffer is not cleared which
> makes it use with text-based debugging
> rather limited. That's one reason the alternate screen option on 'rxvt',
> and 'xterm' is useful.

  For gui consoles, use

    alias cls='echo -e "\033c"'

which does clear the scrollback buffer.

    cheers,
      DaveK

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