nam error

[Sid Takkella <stakkella@atcorp.com>]

Hi:

I tried to run my first program on ns, and this is the error i got. could some one tell me whats wrong?  I am running ns-2.1b4 on win95.  i used the binary file ns-2.1b4.exe to install.

Thanks
Sid
----------------------------ERROR--------------------------------
ns: finish: couldn't execute "nam": no such file or directory
    while executing
"exec nam out.nam &"
    (procedure "finish" line 7)
    invoked from within
"finish"
--------------------------ACTUAL PROGRAM---------------------------------------
set ns [new Simulator]

set nf [open out.nam w]
$ns namtrace-all $nf

proc finish {} {
	global ns nf
	$ns flush-trace
	close $nf
	exec nam out.nam &
	exit 0
}

set n0 [$ns node]
set n1 [$ns node]

$ns duplex-link $n0 $n1 1Mb 10ms DropTail
 
$ns at 5 "finish"
$ns run
------------------------------------------------------------------------------