To prevent a command run as root from sending both standard out (stdout) and standard error (stderr) to
any terminal or other file or device, which of the following strings should be appended to the command?
You want to search the file myfile for all occurances of string containing at least five characters, where
character number 2 and 5 are 'a' and character number 3 is NOT 'b'. Which command would you use?
You want to the command foo to take its input from the file foobar and send its output to the program bar.
Which of the following command lines will do this?