Linux od command
Translation results：
od
UK [ɔd] US [ɑd]
n.Natural force
Linux od commandsyntax
Function: od command is used to output file contents. The command reads the contents of the given file and renders its contents in octal notation.
Syntax: od [-abcdfhilovx][-A <Character base>][-j <Number of characters>][-N <Number of characters>] [-s <Number of characters in string>][-t <Output format>][-w <Number of characters in each column>][--help][--version][File...]
Linux od commandexample
Create tmp file:
$ echo abcdef g > tmp $ cat tmp abcdef g
Use od command:
$ od -b tmp0000000 141 142 143 144 145 146 040 147 0120000011
Use single-byte octal interpretation for output. Note that the default address format on the left is eight bytes:
$ od -c tmp0000000 a b c d e f g \n0000011
Use ASCII code for output, note that it includes escape characters
$ od -t d1 tmp0000000 97 98 99 100 101 102 32 103 100000011
Use single-byte decimal for interpretation
$ od -A d -c tmp0000000 a b c d e f g \n0000009