TestOut Linux Pro Practice Test

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How can you append the output of a command to a file in Linux?

command > [filename]

command >> [filename]

To append the output of a command to a file in Linux, the correct method is to use the double greater-than symbol followed by the filename. This operation ensures that the output will be added to the end of the specified file without overwriting its existing contents.

When employing a single greater-than symbol, the redirecting action would replace the entire content of the file with the output of the command, rather than adding to it. The usage of `>>+` is not a valid syntax in Linux, making it ineffective for appending. Similarly, the command "append" is not recognized as a built-in Linux command for this purpose. By using `>> [filename]`, you effectively preserve the current data in the file and simply add the new output right after it. This is particularly useful for logging activities or accumulating results from a series of commands executed over time.

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command >>+ [filename]

command append [filename]

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