Command Line Tools

Question 1

What is a CLI?

Answer 1

Command Line Interface

process commands to a computer program in the form of lines of text

Question 2

What is a GUI?

Answer 2

Graphical user Interface

allows users to interact with electronic devices through graphical icons and audito indicator such as primary notation

Question 3

Give at least one use case for each of the commands listed:

man

Answer 3

• allows you to get manual for each command line tool

Question 4

what are the three virtues of a great programmer?

Answer 4

impatience
laziness
hubris

Question 5

What is npm?

Answer 5

website, command line interface, or package registry
package manager
a software registry that developers use to share software and manage private development

Question 6

What is a package?

Answer 6

a directory with one or more files described by a package.json file

Question 7

How can you create a package.json with npm?

Answer 7

navigate to the root directory of your package
run the command npm init –yes to create default package.json
answer the questions in the command line questionnaire

Question 8

What is a dependency and how do you add one to a package?

Answer 8

dependency is a non-user-visible package that contains binaries, shared libraries or python modules
npm install( npm i)
install dependency within the package directory

Question 9

What happens when you add a dependency to a package with npm?

Answer 9

install the dependencies in the local node_modules folder

by default npm install will install all modules listed as dependencies in package.json

Question 10

Give at least one use case for each of the commands listed:

cat

Answer 10

concatenate files and print on the standard output

Question 11

Give at least one use case for each of the commands listed:

ls

Answer 11

• list directory contents

- a do not ignore entries starting with .

Question 12

Give at least one use case for each of the commands listed:

pwd

Answer 12

• print name of current/working directory

Question 13

Give at least one use case for each of the commands listed:

echo

Answer 13

• display a line of text

Question 14

Give at least one use case for each of the commands listed:

touch

Answer 14

• change file timestamps

Question 15

Give at least one use case for each of the commands listed:

mkdir

Answer 15

• make directories

Question 16

Give at least one use case for each of the commands listed:

mv

Answer 16

• move or rename files

Question 17

Give at least one use case for each of the commands listed:

rm

Answer 17

• remove files or directories

Question 18

Give at least one use case for each of the commands listed:

cp

Answer 18

• copy files and directories