Nevertheless, the command line has no lack of file extensions.
People who haven??™t worked at the command line before are shocked by the number of file extensions
they see. The fact that the command prompt lacks any form of familiar icon makes things worse because
you don??™t have any visual aid in determining the purpose or function of a particular file extension. You
could inadvertently trash your system by deleting the wrong file or by running another.
The FILExt Web site at
http://filext.com/
can help you overcome the problem of figuring out what
task a file performs based on its file extension. This Web site contains descriptions of thousands of file
extensions. In fact, you might be surprised at the amount of information this Web site provides. For
example, you can discover the Multipurpose Internet Mail Extensions (MIME) type of the file, so you
know how applications such as your browser and email reader view it. You can also find identifying
information for the file, such as the fact that executable files have the letters MZ as the first two characters
within the file. Even if someone gives the file another name, you can use these letters as a potential
means of finding the executable.
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