Possible Duplicate: How do I burn the 12.10 790MB ISO to a CD? I downloaded the file for Ubuntu 12.10. It is a CD iso image with size of 753 MBytes. That exceeds the capacity of a CD-R ...
How do I create a file that has X bytes of 0, Y bytes of the number 7 (i.e. 0x07 in hex, 00000111 in binary), Z random bytes and T bytes of the number 25(0x19 in hex, 00011001 in binary). Finally, ...