Question

To separate the file name and file extension we use a _________​

Answer 1

Answer:

A filename extension, file extension or file type is an identifier specified as a suffix to the name of a computer file. The extension indicates a characteristic of the file contents or its intended use. A filename extension is typically delimited from the filename with a full stop (period), but in some systems[1] it is separated with spaces.

Some file systems implement filename extensions as a feature of the file system itself and may limit the length and format of the extension, while others treat filename extensions as part of the filename without special distinction.

Explanation:

Answer 2

Answer:

A filename extension is typically delimited from the filename with a full stop (period), but in some systems it is separated with spaces.