I installed ns-2.33 and everything did go ok. But after installation though ns was working fine, nam wasn't working. When I ran nam it gave me the following error -
$ nam: [code omitted because of length] : no event type or button # or keysym while executing "bind Listbox <MouseWheel> { %W yview scroll [expr {- <%D / 120> * 4}] units }" invoked from within "if {[tk windowingsystem] eq "classic" || [tk windowingsystem] eq "aqua"} { %W yview scroll [expr {- <%D>}] units } bind Li..." --- I found out that there is no workaround on cygwin. Any help in this regard will be highly appreciated. Thanks. Kanwal.