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Ubuntu Linux website: http://ubuntu.com
Terminal commands
The brackets were removed because, they aren't allowed in the description.
hdiutil convert -format UDRW -o New file.img Downloaded file.iso
diskutil list
diskutil unmountDisk /dev/disk And the number of the disk
sudo dd if= The new file.img of=/dev/rdisk And the number of the disk bs=1m If this command does not work try 1M
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