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Which of the following symbol(s) can be used to redirect the output to a file or another program?

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Which of the following symbol(s) can be used to redirect the output to a file or another program?

(a) |

(b) >

(c) >>

(d) |, > and >>

This question was posed to me by my college director while I was bunking the class.

This is a very interesting question from Redirection and Pipes in section The Shell of Unix

1 Answer

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Correct option is (d) |, > and >>

Explanation: All commands displaying output on the terminal actually write to the standard output file as a stream of characters and not directly to the terminal as such. The symbol > will replace the default destination (terminal) with any file by using the > operator, followed by the filename while the symbol >> is used to append to a file. | is used to give input to another program.

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