I'd go for uCLinux . It's been ported for ARM, it has strong user base and a decent portfolio of evaluation boars exists. There are couple of other Linux/ARM projects around and you'll see.
I'd here the port for uCLinux for '51s but google did not show???????
plz where is it????????
<quote>Please state your experience with embedded systems</quote>
i got high mark In my project and i know lots of things with embeded stuff so i know .lots of people say Assembler is very difficult but i am very clever at it.
the keil compiler says it can do elf and elf is good for Linux .but i cannot see elf in manual?????
You were told to forget about Linux combined with C51. Still, you insist on diving in the boiling abyss...