How do I determine the type of a file?
Author: Deron Eriksson
Description: This Linux tutorial demonstrates how to determine a file's type.
Tutorial created using: CentOS release 4.6
The "file" command can be used to determine file types. The /usr/share/file/magic file contains "magic numbers" that the file command uses to identify files. We can execute the file command on the contents of the current directory via:
Below, we can see the contents of a directory with a long listing. Following this, we see the contents of the same directory displayed using the file command. Notice that the file command displays the file types for each file.