Convert hex to binary and send it over network...

xxd -r without xxd...

Bash : Get the bytes at offset for length...

Bash script that prints out contents of a binary file, one word at a time, without xxd...

when downloading certficate binary data , result is invalid certificate...

hexdump and xxd produce different outputs on red hat and ubuntu/mint...

Vim modifying a file if used with xxd...