Hi,

Actually my experience in NS-2 is very limited but during my search how it is installing, I found this link which is work with me. I hope it works with you .

http://esomesh.wordpress.com/2010/11/03/installing-ns2-34-in-ubuntu-10-04/

Thanks Mustafa

I am getting command not found after typing ns to terminal. My installation is fine as validation showing all test successful. I am confused why I am getting this error.

No learning without error.... you welcome Chetan

There is directory error, update your respo. , then try i hope it will solve your problem.

Thanks a lot Vinod, yeah you were right. It's working

and thanks Mustafa, well said no learning without error- it happen with me

I have corrected my directory variables and ns run fine, but now I have to edit directory variables everytime, is there any method to set directory variable permanently