Installation Instructions for Network Simulator (NS-2) a. Download NS-2 installation file from : http://www.isi.edu/nsnam/dist/ns-allinone-2.27.tar.gz b. Save the above file in : C:\cygwin\ c. Now open the cygwin window by clicking the cygwin shortcut on the desktop d. Inorder to extract the NS installation file , go tothe location where the installation file is stored , by following commands: cd c: cd cygwin/ e. Extraction of files : Extract the install