Installing Cygwin in Windows for NS2

Hi, Its very easy to install Network simulator(NS2) in Windows , All we need is Windows Xp and Cygwin version 1.5 or greater

How to install Cygwin ?
How to install Cygwin in windows?
Installing Cygwin for NS2
Installing NS2 in cygwin
Cygwin Packages download
Cygwin Packages for NS2

Below address the above mentioned Questions 

Installation steps

          1)  Cygwin Installation

            

       Please Install Cygwin to C drive (C://cygwin)

•   Get the Cygwin Setup Here
•   Cygwin can be installed via Internet ,choose download source as "DOWNLOAD FROM INTERNET"
•   Select "ALL USERS" and "UNIX" Radio box and continue
•   Select local directory to store the Cygwin lib files and it will be used for later use.
•   Select Direct Connection and Choose a Mirror to Download Files
•   Here it will show all library packages needed for cygwin to make NS-2 run ,some     important packages are "XFree86-base, XFree86-bin, XFree86-prog, XFree86-lib, XFree86-etc, make, patch, perl, gcc, gcc-g++, gawk, gnuplot, tar and gzip",.or else u can install all packages by selecting Install all.
•   Installation of Cygwin is completed ..you can see the cygwin shortcut button on your desktop.

• Now ,Key point is open the cygwin it will create home folder in to your C://cygwin/  folder. Then checking the root of Cygwin, making sure there are one folder named “home” and there are three hidden files in “home/{username}” which are .bashrc, .bashrc_profile and .inputrc.
•   Bashfile(.bashrc) which is important in order to set the path to our NS-2 versions....