[ns] how to use grep ^r out.res | grep MAC | grep -c cbr

hi all am new to ns2 and am trying to analysis this script as its says i can get some analysis using this grep ^r out.res | grep MAC | grep -c cbr  but i tried but nothing happened ? can you please help me with this or how to analysis  this script  

[ns] Call for Chapters: Mobile Computing over Cloud: Technologies, Services, and Applications

Call for Chapters Mobile Computing over Cloud: Technologies, Services, and Applications Editors: Joel J. P. C. Rodrigues, Kai Lin, and Jaime Lloret INTRODUCTION Mobile computing over cloud is a potential technology that uses mobile devices in combination with cloud computing. This book wants

[ns] help needed in installing sensorsim on fedora 8 with any version of ns2

dear users, i despeately need some help nstalling sensorsim on fedora 8 with any version of ns2. i already have tried fedora 9 , 16, 14, 6 and 10 with almost every version of ns2. but no success so far.. a help in this regard will be enormous for me... thank you,, prayers -- Engr ilyas