Is there any way to change the default line length for the
hexdump commands? Can't see anything apropriate in the man pages.
I know this is an old question, but for completeness, here is an example hexdump command that prints 8 bytes per line:
hexdump -e '8/1 " %02X" "\n"' <file>
More information about hexdump format strings can be found at these links: