node.js

Question 1

CLI

Answer 1

command line interface

Question 2

GUI

Answer 2

graphical user interface

Question 3

man

Answer 3

manual command

Question 4

ls pwd

Answer 4

list and present working directory

Question 5

echo

Answer 5

print a string to the terminal or create it in txt document

Question 6

touch

Answer 6

update or create file

Question 7

mkdir

Answer 7

make directories

Question 8

mv

Answer 8

rename directory or move it

Question 9

rm

Answer 9

remove instantly. use with caution

Question 10

cp

Answer 10

copy files

Question 11

what is Node.js

Answer 11

JavaScript environment where you can execute JS

asynchronous event driven JS runtime

Question 12

What can Node.js be used for

Answer 12

build scalable network applications

Question 13

REPL

Answer 13

read eval print loop

Question 14

process object in node

Answer 14

a global object that provides information about and control over the current node.js process

Question 15

how do you access the process object?

Answer 15

console.log(process)

Question 16

what is the data type of process.argv?

Answer 16

Array of strings

Question 17

What is a JS module?

Answer 17

a single JS file

Question 18

What values are passed into a Node.js modules local scope? and are they global?

Answer 18

module, exports, require, __filename and __dirname and NO!

Question 19

what is the purpose of module.exports in a Node.js module?

Answer 19

to make the functionality of a certain module available to other modules.

Question 20

How do you import functionality into a Node.js module from another module?

Answer 20

require(); passing the relative path to the other module

Question 21

What is a directory?

Answer 21

A file containing other files.

Question 22

What is a relative path?

Answer 22

the location of a file relative to somewhere.

Question 23

What is an absolute file path?

Answer 23

The exact location of a file according to the root directory.

Question 24

What module does Node.js include for manipulating the file system?

Answer 24

fs module

Question 25

What method is available in the Node.js fs module for writing data to a file?

Answer 25

writeFile();

Question 26

Are file operations using the fs module synchronous or asynchronous?

Answer 26

both.