Intro to Terminal
Intro to Terminal
Intro to Terminal
Working in the terminal can be really intimidating at first!
With practice, navigation and file manipulationis 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.
Intro to Terminal
Mac & Linux users: Open Terminal Applications > Utilities > Terminal
Windows users: Install & Open Git-Bash
We will not be using Windows "cmd" program,as it uses a different syntax than *NIX systems.
Intro to Terminal Prompt
The line that appears in the terminal when you open it is calledthe prompt.
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.
Terminal Cheatsheet
. the current directory- ex: touch ./wow.txt .. the parent of current directory - ex: cd ../RubyParty ~ the root directory- ex: cd ~/Pictures cd [location] "change directory" to [location] pwd "present working directory" - where am I? ls -la "list all" of the contents of current directory, including invisible ones touch [filename.extension] create a file called [filename.extension] in the current directory mkdir [directoryname] create a directory called [directoryname] in the current directory rm [filename] "remove" (delete) the file called [filename] rm -rf [directoryname] "remove recursively with force" the directory called [directoryname]With great power comes great responsibility. Be very careful with this one. clear OR cmd+k clear the terminal screen help lists all possible commands man [command] displays the manual for [command]Terminal Activities
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 terminal_adventures mkdir terminal_adventures # navigate into the new terminal_adventures directory cd terminal_adventures # create a new file in the current (terminal_adventures) directory touch hello.txt # list the contents of the current (terminal_adventures) directory ls
Terminal Activities
Not sure what a command does? Or how it works? Use manTry using man with a few commands. Type the letter q to exit man.
man ls
Output:
Let's Develop It!
Working in the terminal, create a directory called gdi_git in the location of your choosing.Desktop? Documents? Somewhere you'll be able to find it again!
Inside the gdi_git directory, create a file called setup.txt.
You're all set up!
Questions?
Message us in the #0415-git Slack channel.Get your Slack invite here: https://gdiaa-slack.herokuapp.com/
Homework
Practice: spend at least a few minutes practicing navigating and creating/removing documents and directories with the command line.