Linux Commands Helper
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file Command - Determine File Type
The file command is used to determine the type of a file by performing tests on the file's contents and metadata.
Syntax
file [options] filename
Examples
file myfile.txt
Display the type of 'myfile.txt'.
file /bin/ls
Show the type of the binary '/bin/ls'.
file *
Show the type of all files in the current directory.
Notes
- Useful for identifying unknown files or verifying file types after downloads or transfers.
- Can be used on any file, including binaries, text files, images, and more.
- Does not rely solely on file extensions.
