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Unix support questions for review?

Hello, I'm having trouble with some questions for my review of Unix. Can anyone help? There was a diagram They are not displayed correctly, this is the breakdown of each directory: bozo / users / X usr / B User / C usr / users / A usr / users / D usr / users / A usr / R / Users / A / S You are in the directory A. Is each part of two ways: absolute path and out. a) What path will take you from A to R? b) A to C? c) A to X. d) What is the result of ls .. / Users / * e) What is the outcome of these? ls A / S ls / M Describe briefly what the following things: |> <>> Briefly describe the difference between the ls and cat. Ps What do you do? Change the file protection FOO which can be run. What is the result of grep-n is m where m is a file containing Mississippi This is good to see this race.

I'll be honest and say that familiarity with navigating the directories is a need in * nix environments. You'll have to learn hands. | Is a pipe which means the output of the first command are entered with the command ls-l | wc-l long listing of the current directory, and then count the list, and show how much (the list is not displayed)> is a redirection which means the output of the first command will be redirected (saved) to a file echo "Hello World!" > Hello_world.txt>> is also a redirect, but is concatenated to the existing content

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