How To Send Keys On A Linux System From Windows System. Can i send some Keyboard Keys From Windows to a software Which is Loaded in Linux

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i have two computer systems in first i have Fedora 15 and in second i have Windows XP. and i want to control a software which is loaded in Linux using the Windows ( i.e i want to send some keyboard keys like Alt+F4 and Alphabets to the Linux system on a predefined Software Konsol. So I am unable to configure it. can you tell me the way.