w01d2.md

Assessment W1/D2

Please answer the following questions

1. What is homebrew?
2. What is git and why do we need it?
3. What is rbenv?
4. Describe the format of an IP address
5. What is HTTP? How is it different from HTTPS?
6. Describe the different elements of a URL
7. What's a GUI? Whats a CLI? Can you give an example of each?
8. Explain the difference between absolute path and relative path. Provide an example
9. How can I see all the commands I've typed in the terminal before?
10. What's root directory? What is home directory? How can i quickly go to my home directory in the shell?
11. Write the command needed to:

• List all the files in the working directory
• List all the files in the working directory, with detailed information
• Create a file named my_heart
• Create a new directory named homework
• Copy the foo directory into a new directory named bar
• Rename the /usr/local/ directory to /usr/home
• Delete a directory named /tmp/trash

1. Please describe the permissions of my_file.txt

-rw-r-x-wx     1 michael  wdi_9   224 Jul 29 21:03 my_file.txt

1. What is $PATH? Why is it useful? How can I see the contents of the PATH environment variable in the shell?

How to Submit?

1. Create a new public gist in Github Gist
2. Add it to the assessment tab in our class spreadsheet