How Does Linux File Command Work?
Contents the File Command Determines the File Type of a File. It Reports the File Type in Human Readable Format (E. G. ‘Ascii Text’) or Mime Type (E. G...
The file command determines the file type of a file. It reports the file type in human readable format (e.g. ‘ASCII text’) or MIME type (e.g. ‘text/plain; charset=us-ascii’). As filenames in UNIX can be entirely independent of file type file can be a useful command to determine how to view or work with a file.
How does Linux determine file type?
To determine the file type in Linux, we can use the file command. This command runs three sets of tests: the filesystem test, magic number test, and language test. The first test that succeeds causes the file type to be printed. For example, if a file is a text file, it will be recognized as ASCII text.
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What can be determined by the file command?
file must be able to determine the types directory, FIFO, socket, block special file, and character special file. zero-length files are identified as such. an initial part of file is considered and file is to use position-sensitive tests.
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