Installation of Cygwin on Windows

HI, Its very easy to install Network simulator(Ns-2) in Windows , All we need Windows Xp,Cygwin version 1.5 or greater

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....