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---
-
Using Tessel is just like web development. But if
-you're not familiar with web development, you might want
-to take a minute or two to get comfortable with some key
-tools of the trade: the command line (the "terminal",
-where you execute commands) and the text editor, where
-you will work on and save your programs.
-Select the operating system you are working on.
-
-
-
Open up the application on your computer called
- “Terminal” by pressing ⌘ + SPACE and typing
- “Terminal”.
-
Its dock icon looks like
- , and the terminal will look something like
-
-
-
You can use the terminal to write commands to your
- computer (this is the “command line”). Let’s try it
- out!
-
In your terminal,
- type
ls
-
and hit enter.
-
The ls
command, short for “list”,
- tells your computer to list all of the file names for
- the folder you’re in. Your list of files probably
- includes “Desktop” and “Documents”, among others.
- Let’s try another command: type
cd
- Documents
-
and hit enter.
-
You are now in the Documents folder;
- cd
means “change directory”. If you try
- ls
again, you should see the contents of
- your Documents folder listed out. If you want to
- compare, open up Finder and look in Documents to see
- the same files.
-
Let’s get back to the folder we were in
- before:
cd ..
-
You changed directory
- again!
ls
-
to see what we have here. You’re back where you
- started! The ..
after cd
- tells it to go up one folder in the directory.
-
Ok, now you're a cool hacker who can use the
- terminal (or "console") to write in the command line.
- (If you want to learn more commands, there are a
- whole bunch of them here. I recommend pwd
,
- open
, mkdir
,
- touch
, mv
, and
- cp
.)
-
-
-
Open up the application on your computer called
- “Terminal” by tapping the SUPER key (Windows or Apple
- key, depending on your hardware) and typing
- “Terminal”.
-
Its icon looks like
- , and the terminal will look something like
-
-
-
You can use the terminal to write commands to your
- computer (this is the “command line”). Let’s try it
- out!
-
In your terminal,
- type
ls
-
and hit enter.
-
The ls
command, short for “list”,
- tells your computer to list all of the file names for
- the folder you’re in. Your list of files probably
- includes “Desktop” and “Documents”, among others.
- Let’s try another command: type
cd
- Documents
-
and hit enter.
-
You are now in the Documents folder;
- cd
means “change directory”. If you try
- ls
again, you should see the contents of
- your Documents folder listed out. If you want to
- compare, open up Finder and look in Documents to see
- the same files.
-
Let’s get back to the folder we were in
- before:
cd ..
-
You changed directory
- again!
ls
-
to see what we have here. You’re back where you
- started! The ..
after cd
- tells it to go up one folder in the directory.
-
Ok, now you're a cool hacker who can use the
- terminal (or "console") to write in the command line.
- (If you want to learn more commands, there are a
- whole bunch of them here. I recommend pwd
,
- open
, mkdir
,
- touch
, mv
, and
- cp
.)
-
-
-
Open up the application on your computer called
- “Command Prompt”.
-
If you’re not on Windows 8, go to the start menu
- and type “Command Prompt”.
-
If you are on Windows 8+, swipe right to find
- “Windows System”, within which you can find “Command
- Prompt”.
-
Its icon looks like
- , and the application (the terminal) will look
- something like
-
-
You can use the terminal to write commands to your
- computer (this is the “command line”). Let’s try it
- out!
-
In your terminal,
- type
dir
-
and hit enter.
-
The dir
command, short for
- “directory”, tells your computer to list all of the
- file names for the folder you’re in. Your list of
- files probably includes “Desktop” and “Documents”,
- among others. Let’s try another command:
-
Now type
cd Documents
-
into your command line and press enter.
-
You are now in the Documents folder;
- cd
means “change directory”. If you try
- dir
again, you should see the contents
- of your Documents folder listed out. If you want to
- compare, open up My Comuter and look in Documents to
- see the same files.
-
Let’s get back to the folder we were in
- before:
cd ..
-
You changed directory
- again!
dir
-
to see what we have here. You’re back where you
- started! The ..
after cd
- tells it to go up one folder in the directory.
-
Now you’re a cool hacker who can use the terminal
- to write in the command line. (If you want to learn
- more commands, there are a whole bunch of them
- here.)
-
-
-
-
-