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12-04-2008
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dd - binary file
I have a task that says: make a file (called binaryfile ) that contains
4 bytes of NULL data 6 bytes of random data 8 bytes of 1 10 bytes of 5 and 12 bytes of 9. For the first 2, I can used : dd if=/dev/null of=binaryfile bs=8 count =4 and dd if=/dev/urandom of=binaryfile bs=8 count=6 seek=4, but how can I do the rest ??? I know, bs will remain 8 (8 bits) and seek will increase after each append to my file. My question is, how to tell dd what bits to copy (other than 0 or random). |
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