Installing NS2 on Ubuntu 12.04 using terminal

In order to install ns2 on ubuntu it is just like writing three commands

Open the terminal

Now type the commnad

                       "sudo apt-get install ns2"

                                       "sudo apt-get install nam"

 

and last command is

                                          sudo apt-get install xgraph 

and its done

now execute the command sudo apt-get update
and then "ns "in the terminal the % should appear