Why is the error, dd: /dev/rdisk1bs=1m: Operation not supported, popping up while trying to instal ubuntu on usb?

Posted by Jesse S on Ask Ubuntu See other posts from Ask Ubuntu or by Jesse S
Published on 2012-07-03T10:28:25Z Indexed on 2012/12/04 11:29 UTC
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command-line

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usb

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usb-drive

I am trying to install ubuntu onto my flash drive using the instructions from the website, http://www.ubuntu.com/download/help/create-a-usb-stick-on-mac-osx , and after step 8, the terminal asks for my password, which it accepts and then pops u this error message, dd: /dev/rdisk1bs=1m: Operation not supported. I have also tried making the last m in that statement capital and then the system does not ask me for my password but the error message still pops up. What is happening and why?

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