Module 4

Question 1

What are other names for Working Directory?

Answer 1

Current Working Directory (CWD) and Working tree.

Question 2

What Parse means?

Answer 2

To break something up into its parts and analyze it.

Question 3

What is Hash?

Answer 3

An operation that converts one value to another. It is usually used to mask data with different data.

Ex: The original file name could be orangepants.docx and the hash could be absdfmoijgfsdnsadf. Both would point to the file.

Question 4

What is the working directory in the following file path?: C:\Windows\Users\code.txt

Answer 4

Users.

Question 5

Which one of the following terms means something different than the rest?
1. Working Directory
2. Staging area.
3. CWD
4. Current Directory

Answer 5

Staging Area

Question 6

True or false?: Git is case sensitive.

Answer 6

True.

Question 7

What “ls” does in bash?

Answer 7

List the files in the current directory.

Question 8

What -a does in bash?

Answer 8

Apply to all.

Ex: ls -a would list all files including hidden ones.

Question 9

What “git status” does?

Answer 9

Show in which branch you are and what is to be commited.

Question 10

What git commit -m “Added new text file” does?

Answer 10

Commit what was prepared to be commited and anex the message in quotations to the commit. -m is short for message.

Question 11

What echo ‘This is my text file’ > file.txt does?

Answer 11

Create a text file int the current directory with the text in quotations as content.

Question 12

What “git add file.txt” does?

Answer 12

Stage file.txt to be commited. The add command stages and track untracked files.

Question 13

What “git log” does?

Answer 13

Log the commit hash, author, data, and message for every commit.

Question 14

What “add .” does?

Answer 14

Apply the add command to all files in the directory.

Question 14

What “mkdir myCodeFiles” does?

Answer 14

Create a directory called myCodeFiles.

Question 15

What “mv file2.txt myCodeFiles” does?

Answer 15

Move the file file2.txt to the myCodeFiles directory.

Question 16

What “mv file2.txt myCodeFile.txt” does?

Answer 16

Rename file2.txt to myCodeFile.txt

Question 17

In which directory you have to be to commit?

Answer 17

Main directory of repository.

Question 18

What is staging?

Answer 18

To mark a file to be commited.

Question 19

What is an untracked file?

Answer 19

Files that git “doesn’t know about”. Files not saved in your working directory and are not in your staging area.

Question 20

What “git init MyRepository” does?

Answer 20

Initialize an empty Git repository in the current directory.

Question 21

What git branch myFirstBranch does?

Answer 21

Create a branch called myFirstBranch

Question 22

What git branch does?

Answer 22

List out the branchs for the current repository.

Question 23

What git checkout myFirstBranch does?

Answer 23

Switch to the myFirstBranch branch.

Question 23

What git branch -d testBranch does?

Answer 23

Delete the branch called testBranch (cannot be inside of it)

Question 24

What git checkout ff1174

Answer 24

Switch to a commit that the hash starts with ff1174

Question 25

What detached HEAD means?

Answer 25

That we are no longer in a up to date on the branch timeline.

Question 26

What git switch - does?

Answer 26

Get back to the up to date timeline in the branch.

Question 27

What git merge myFirstBranch does?

Answer 27

Merges the branch you are to the myFirstBranch.

Question 28

What cat file.txt does?

Answer 28

Prints out the content of a text file.

Question 29

What is a Fork?

Answer 29

A copy of a repository.

Question 30

What git clone https://github.com/Todeschinidev/developers.git does?

Answer 30

Create a local repository called developers and copy the online repository using the url.

Question 31

What git diff does?

Answer 31

Shows the changes not commited in a branch.

Question 32

What does the git clone command do?

Answer 32

Clone a repository into a new directory

Question 33

How do you download a project from GitHub onto your local hard drive?

Answer 33

Clone the repository

Question 34

What is the format of GitHub README?

Answer 34

.md, which stands for markdown.

Question 35

What are good elements for a README?

Answer 35

Titles - Names of important sections within the README
Introduction - The project’s aim
Technologies - List of languages used
Launch - Version of languages used for reproducibility

Question 36

How should you Title the README?

Answer 36

It should clearly explain what the repository is about and be the name of the project and typically uses a heading tag. In markdown a hashtag is used to make a heading. It may also include titles of certain project sections as well.

Question 37

How should you do the Introduction/Summary in a README?

Answer 37

It should not be too long, about two or three sentences will do for a small project.

Question 38

How should you do the Technologies in a README?

Answer 38

This section explains which languages were used in the project, as well as the version of the language that was used.

Question 39

True or False?: The mv command can only be used to rename files.

Answer 39

False.

Question 40

What does the git add command do?

Answer 40

Add file contents to the staging area