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Special files in unix

Posted By: Bette Fischer     Category: Unix / Linux / Ubuntu     Views: 4585

Special files in unix language.

Special files

The files such as /dev/nul

cmp file file > /dev/nul.

This file accepts any stream without growing in the size.
The size is always 0.
That is what ever is the answer of the comparision it always has the size 0.

The next file is /dev/tty

It is not the file representing the standard output, standard Err.
It is not used for writing . It is used whenever some statements are suppose to be redirected.



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Bette Fischer
Bette Fischer author of Special files in unix is from Frankfurt, Germany.
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