hd
displays file contents in hexadecimal format
TLDR
Display file in hex
$ hd [file]
Show first 100 bytes$ hd -n 100 [file]
Skip first 50 bytes$ hd -s 50 [file]
One-byte octal display$ hd -b [file]
Canonical hex+ASCII display$ hd -C [file]
SYNOPSIS
hd [options] [file]
DESCRIPTION
hd displays file contents in hexadecimal format. It's equivalent to hexdump -C, showing both hex values and ASCII representation.
The tool is useful for examining binary files, analyzing data formats, and debugging. It formats output in readable columns.
PARAMETERS
FILE
File to display.-n LENGTH
Number of bytes to display.-s OFFSET
Skip offset bytes.-b
One-byte octal display.-C
Canonical hex+ASCII display.-v
Display all data (no suppression).--help
Display help information.
CAVEATS
Alias for hexdump -C on many systems. Large files produce extensive output. Binary data shown as dots in ASCII column.
HISTORY
hd is typically a symlink to hexdump from BSD utilities, providing convenient hex dump functionality.