Determining the type of a file in Linux is a fundamental task for system administrators and users alike. A file’s type dictates the programs that can open and manipulate it, the permissions required to access it, and the way it is stored and processed by the system.
There are several ways to check the file type in Linux. One common method is to use the ‘file’ command. The ‘file’ command examines the contents of a file and attempts to determine its type based on its magic number, which is a unique identifier found at the beginning of many files. To use the ‘file’ command, simply type ‘file’ followed by the path to the file you want to check. For example: