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How to prepend 8 bytes of data to a binary file in Linux?

Fresh3 days ago
Mar 15, 202630097 views
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Problem

I would like to add 8 bytes of data to the beginning of a binary file. Is there a Linux command for this?

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Fix for: How to prepend 8 bytes of data to a binary file in Linux?

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Here is one way to do that. The argument to is a sequence of 8 bytes in hex. Just replace the values I used (which are the ASCII characters "hello wo") with yours.

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