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od:tldr:3f633
This command is using the od
command-line tool to display the contents of a file in different formats.
Here's the breakdown of each component in the command:
-
od
: This is the command itself, which stands for "octal dump". It is a tool commonly used to display the content of binary files in various formats. -
--format=${x}
: This option specifies the format in which the file content will be displayed.${x}
is a placeholder that should be replaced with the desired format. For example,--format=o
will display the content in octal format,--format=d
will display it in decimal format, and so on. It depends on the implementation ofod
command what specific formats are supported. -
--address-radix=${d}
: This option defines the radix (numbering base) used for displaying memory addresses.${d}
is a placeholder that should be replaced with the desired radix. For example,--address-radix=o
will display addresses in octal,--address-radix=d
will display them in decimal, etc. -
-v
: This option stands for "verbose" and instructsod
to display more detailed information about each byte being printed. It typically includes the address and content of each byte. -
${filename}
: This is a placeholder that should be replaced with the name of the file that you want to examine usingod
.
To use this command, you would replace ${x}
, ${d}
, and ${filename}
with the desired values, for example:
od --format=o --address-radix=o -v my_file.bin
This would display the content of the file my_file.bin
in octal format, with addresses in octal, and with verbose output.