Hey I can't use setdestĀ THis is what happening " umair@umair-VirtualBox:~/ns2/ns-2.34/indep-utils$ cd cmu-scen-gen/ umair@umair-VirtualBox:~/ns2/ns-2.34/indep-utils/cmu-scen-gen$ cd setdest umair@umair-VirtualBox:~/ns2/ns-2.34/indep-utils/cmu-scen-gen/setdest$ ./setdestbash: ./setdest: No such file or directory umair@umair-VirtualBox:~/ns2/ns-2.34/indep-utils/cmu-scen-gen/setdest$ can anybody help me ?asap