Sometimes it is necessary to create a temporary file to collect output for use by a later command. While creating such a file - you must make sure that the filename is unique enough so that no other programs accidentally write on the temporary file. Which of the following are correct with regard to creation of temporary files?

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Sometimes it is necessary to create a temporary file to collect output for use by a later command. While creating such a file - you must make sure that the filename is unique enough so that no other programs accidentally write on the temporary file. Which of the following are correct with regard to creation of temporary files?