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Which stream is connected to the display?

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in Unix by (67.2k points)
Which stream is connected to the display?

(a) standard input

(b) standard output

(c) standard error

(d) error

The question was asked in an interview.

This question is from Redirection and Pipes topic in chapter The Shell of Unix

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Right option is (b) standard output

Easy explanation: Standard output is the file (or stream)  which is used for representing output, and is connected to the display. Each command which uses the display for its output will find this file always open and available. The file will be automatically closed after the command has completed its execution.

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