Xerxys 是在 Nucleus OS 基础上的改进版本，亮点包括：
- Small, simple, stable, secure (magic four 's') kernel (called Nucleus) with a highly portable API.
- The only native process is a Virtual Machine (called Xam) that executes IL (Intermediate Language) executables (currently Java, far later perhaps Proceed...).
- Drivers, Deamons and all other processes are coded in Java (or another language that can be compiled to Java Byte Code) and run on the Virtual Machine.
- Well documented source and structure.