How to ru a program on GDB/ARMulator /uClinux 2.4
 

I'm new to embedded system and I have just installed GDB/ARMulator on my computer. I also have uClinux kernel 2.4 on GDB. And now I want to run a program such as helloworl on it. Plz tell me how to do that. I used arm-elf-gcc to compile helloworl.c successfully.

I tried to use ifconfig but it didn't work. I really don't know why. I can not make directory on CGB/ARMulatr on my computer.
I googled but nothing's right :( help me plz.

I installed following this link: