- File
The file command is used to identify the type file based on its content rather than file extension. - Strings
This command is used to extract human-readable text from binary files.
sudo apt install binutils - Exiftool
This command is used to extract, view, and modify metadata of various types of files.
sudo apt install libimage-exiftool-perl - Hexedit
This command is used to view and modify the raw hexadecimal data of a file.
This is command is useful when working with corrupted file or investigating file structure. - Binwalk
Scan hidden files and embedded data - Steghide
Extract data within images or audios