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Unix.md

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+# Unix Workout
+
+The exercises in this document is meant to improve your Unix knowledge, such as daily commands and manual pages.
+
+## Single commands
+
+1. Find all text files (`.txt`) in your home directory using the `find` command
+2. Create an empty file named `empty`
+3. List the `empty` file with its permissions. 
+4. Who are you in this system? what is your username? what is your user ID? which groups do you belong to?
+5. What's the date and time right now?
+
+## Piping commands together
+
+1. Did you find all the `.txt` files? good! now put that output into `/tmp/txtfiles`
+2. Without using a text editor, put `hello there!` into `empty`
+3. Using your favorite editor, Vim, put more content into `empty`
+4. Print the content.
+5. Print the content and look if the string `lo` is in there!
+   1. Which line is it on?
+6. Get the date, again, and *pipe* it into `vim` :)