This is a scavenger hunt to learn Linux commands. Our goal is to find all the clues and learn how to use basic Linux commands in the process.
Open a terminal and type:
git clone https://github.com/UofAScienceCamps2018/Scavenger-Hunt.git
cd scavenger-hunt
First, choose a secret number with at least 4 digits to share with your team, or keep to yourself if you are working alone. Don't forget it! The secret number makes your clues unique, so other teams can't look over your shoulder. Then type:
python generate_clues.py [secret number]
Any time we enclose something in square brackets, you need to replace it with an actual value (called an argument). For example, to get started I might type:
python generate_clues.py 42
This will create a subdirectory called clues. Be sure to keep this file
(called the README) open in a separate viewer.
If you want to learn more about Linux when you are finished, or need a reference during the hunt, go here: http://www.tldp.org/LDP/intro-linux/html/index.html.
The first command we are going to learn is man, which is short for manual.
Typing man [command] will give you a help page (usually called a manpage)
for most commands.
The next command we need to learn is ls (list). Type man ls and read the
description. Press q to exit. Then type ls and you should see something
like this:
APPENDIX.md clues generate_clues.py LICENSE.md next_clue.py README.md
Items which are blue are directories and everything else is a file. Any time
you need to know which files and directories are available, type ls.
We need a couple more tools before we can start clue hunting. To change to
another directory we use cd (change directory). You may notice that
man cd doesn't work. Sometimes there is no manpage for a command. In that
case google is your friend. Changing directories is pretty simple:
cd clues
This puts us in the clues directory. To go up a directory, we can do this:
cd ..
If you ever get lost, just do
cd ~/scavenger-hunt
to return home. If you cd to the clues directory and do an ls, you
will notice that there are a lot of clue directories. Most of them contain
fake clues. Throughout our hunt we will be looking for real clues. Using
cd, navigate to clues/123 and type ls. You should see a single
file named clue.
Finally we need to be able to look at our clues. First read the manpage for
cat, then do:
cat clue
This should list the clue in your terminal. From now on, everything we need
will be contained in these clue files. It's a good idea to keep track of
all the clue folders (like 123) on a piece of paper. You can also do
things like copy all the clue files to your home folder, or cut and paste
the clue text into another file.