how to start writing codes in ns2?
 

i jst installd ns2.35 on ubuntu 11.10
nw where should i write my codes for nam?

to the hard drive maybe?
or maybe your "$HOME " folder

can any1 tell......i also dono
 

can any1 tell......i also dono

@ziajustin and @hamidmehmood : Welcome to LQ.

If you installed a binary ns-2.35 :
'sudo apt-get install ns2' (Or with "Software Center"),
you may write a tcl file. And run it with 'ns file.tcl'.

But no c++ code can be used by the binary package.
http://nsnam.isi.edu/nsnam/index.php/User_Information

.