Our team have successfully compiled and tested this version of NachOS in:
- Archlinux 2.6.39 32 bits
- Ubuntu 10.04 32 bits
- Ubuntu 11.04 64 bits
 
The next slideshow explains the steps to compile and test NachOS 5.0j:
Nachos 5.0j 
Go to slideshare to watch a better quality version:
link
References:
- Download Java NachOS 5.0j 
here
- Download Crosscompiler  
here
- View Java NachOS README 
here