Nothing seems to be working.I think, usb has some-kind of physical write
protection switch (somewhere,which i don't know)
on its hardware. (USB drive was one of my old data card - I give up for now
- may be get back at this some time later. :)) .. thanks for all your
suggestions and time.
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Cheers,
Lakshmipathi.G
FOSS Programmer.
www.giis.co.in