Install ns using the following commands:
tar zxvf ns2-allinone.tar.gz cd ns-2-allinone ./install >& install.outWhen installation is over, view install.out with an editor and look for any possible errors. If you don't want any error, proceed. If there is an error, notify one of the instructors
Put ~/ns-allinone-2.1b6/bin in your default path