We'll be using Railsbridge's Installfest instructions to get set up.
Railsbridge is an awesome organization that
Girl Develop It is friends with and you should be, too!
Working in the terminal can be really intimidating at first!
With practice, navigation and file manipulation
is significantly faster in the terminal than in the GUI.
Professional software developers use the terminal all the time,
and this class will require some use of it.
Mac & Linux users: Open Terminal
Windows users: Install & Open Git-Bash
We will not be using Windows "cmd" program,
as it uses a different syntax than *NIX systems.
The line that appears in the terminal when you open it is called
It usually contains information about the user and current directory.
It can be customized.
Terminal instructions often start a line with a $.
This just represents the last character in the prompt, you don't have to type it.
||the current directory- ex:
||the parent of current directory - ex:
||the root directory- ex:
||"change directory" to [location]|
||"present working directory" - where am I?|
||"list all" of the contents of current directory, including invisible ones|
||create a file called [filename.extension] in the current directory|
||create a directory called [directoryname] in the current directory
With great power comes great responsibility. Be very careful with this one.
||"remove" (delete) the file called [filename]|
||"remove recursively with force" the directory called [directoryname]|
||clear the terminal screen|
||lists all possible commands|
||displays the manual for [command]|
Try out the following commands!
Things that start with
# are comments - you don't need to type those out.
# navigate to your desktop cd ~/Desktop #Linux, Mac cd desktop #Windows # make a directory called ruby_adventures mkdir ruby_adventures # navigate into the new ruby_adventures directory cd ruby_adventures # create a new file in the current (ruby_adventures) directory touch setup.rb # list the contents of the current (ruby_adventures) directory ls
Not sure what a command does? Or how it works? Use
man with a few commands. Type the letter
q to exit
Working in the terminal, create a directory called
gdi_ruby in the location of your choosing.
Desktop? Documents? Somewhere you'll be able to find it again!
gdi_ruby directory, create a file called
Practice: Code Academy does have a free 3 hour course on Learn The Command Line