hey d******* why ask so many questions huh? try to act smart is it? so what if you know how to use vi editor and ls -la and grep * | ? from your use of abbreviation i already know u don't know much cos fpga soc skillset differ from OS skillset, dum dum. U know why u got lousy pay? cos u spend too much time here! go try SMRT, they lack bus driver now.