Dear sir,
i trying to do open source fedora electronics lab MCU 8051 IDE .please guide me ..
Regards
Raghavendra

 

SDCC
http://sdcc.sourceforge.net/

Is the first Open Source 8051 MCU Compiler that I can think of is SDCC.

Are you trying to find an Open Source IDE for MCU 8051?
Or are you trying to write one?

Or, are you asking about how to use FEL (Fedora Electronic Lab)?
http://opentechlab.blogspot.com/2010/03/fel-introduction-to-mcu8051ide.html

I think the below is also about FEL

http://mcu8051ide.sourceforge.net/

Note: I never heard of FEL before today; but, I am primary a Windows user.

Tim S.