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Minor documentation correction regarding how to use io redirection to close a fd
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@ -143,7 +143,7 @@ which directs the output of the echo command to the file error.txt.
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- A filename. The output will be written to the specified file.
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- An ampersand (\&) followed by the number of another file descriptor. The file descriptor will be a duplicate of the specified file descriptor.
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- A minus sign (-). The file descriptor will be closed.
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- An ampersand followed by a minus sign (\&-). The file descriptor will be closed.
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Example:
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