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Re: [ns] couldn't open "out.tr": permission denied



do you have permission to write in the directory where ns is installed? looks 
like you don't...

 Hi:
> 
> I just started using ns simulator. When I run one of the sample files,
> like "simple.tcl" in ns-2/tcl/ex, it give me this error. Why is
> that?
> 
> couldn't open "out.tr": permission denied
>     while executing
> "open out.tr w"
>     (file "simple.tcl" line 13)
> child process exited abnormally
> 
> Thank you very much.
> 
> -Farnaz Erfan
> CS Department
> Purdue University
> 

Tarik