If you ever need to write a binary file from a traditional language like C, it isn’t all that hard to do. About the worst thing you might have to deal with is attempts to fake line endings ...

Transferring a pure binary file, such as an executable program, image or video, to a remote location. Binary file transfers maintain the integrity of all eight bits in each byte, and the file ...

Maybe its a capture file from a network dump ... By default that’s: Use “h” for hex (default 4 bits), “b” for binary (default 1 bit), “d” for decimal (default 8 bits).