od:tldr:6facb

The command od --read-bytes ${100} --skip-bytes=${500} -v ${filename} is used to display the content of a file in different formats. Here is a breakdown of the command:

• od: This is the command-line utility for Octal Dump.
• --read-bytes ${100}: This option specifies the number of bytes to be read and displayed from the file. In this case, it reads 100 bytes from the file.
• --skip-bytes=${500}: This option specifies the number of bytes to be skipped before starting to read and display. In this case, it skips the first 500 bytes of the file.
• -v: This option stands for "verbose" mode. It tells od to display additional information about the data being output, such as the offset and ASCII characters in each line.
• ${filename}: This is a placeholder for the actual filename. You need to replace it with the path and name of the file you want to examine.

Overall, the command will read and display the content of the specified file in octal format, showing 100 bytes starting from the 501st byte, and providing detailed information about each line.