GIT

Question 1

What command is used to start a git repository in a folder?

Answer 1

git init

Question 2

What are the three parts of a git project?

Answer 2

1) A Working Directory: Where you do all the work: creating, editing, deleting and organising files.
2) A staging area where you will list changes made to the working directory
3) A Repository: Where GIT permanently strores these changes as different versions of the project.

Question 3

What is the command to save changes made in the working directory?

Answer 3

git commit

Question 4

What is the command to add untracked files to the staging area?

Answer 4

git add

Question 5

What does git status do?

Answer 5

Checks the status of the changes you have made to the working directory

Question 6

What is an untracked file?

Answer 6

An untracked file means that GIT sees the file but has not started tracking changes yet.

Question 7

How can you check the changes between the staging area and the working directory?

Answer 7

git diff

Question 8

What is the command added to git commit to add a comment to the commit?

Answer 8

-m ‘text goes here’

Question 9

What does git log do?

Answer 9

Gives you a list of your commits.

Question 10

What is the HEAD commit and what does git show HEAD output?

Answer 10

The HEAD commit is the commit you are currently on. The output of the command shows everything the git log command would show and also the file changes that were committed.

Question 11

How would you restore the working directory to the last commit you made?

Answer 11

git checkout HEAD changes.txt

Question 12

How do you remove a file from the staging area?

Answer 12

git reset HEAD changes.txt

Question 13

What do you add to git reset to revert to a specific commit?

Answer 13

The first 7 characters of the SHA of a previous commit. A SHA looks like ‘5d692065cf51a2f50ea8e7b19b5a7ae512f633ba’

Question 14

What command can be used to check what branch you are on?

Answer 14

git branch

The * in the output indicates what branch you are on

Question 15

What command is used to make a new branch?

Answer 15

git branch name_of_new_branch

Question 16

What command is used to swap to a different branch?

Answer 16

git checkout name_of_new_branch

Question 17

What is the command used to add the changes from one branch into another?

Answer 17

git merge branch_name

Question 18

How do you delete a branch?

Answer 18

git branch -d branch_name

Question 19

How to you copy a repository from another location?

Answer 19

git clone name/location of repository your_name_for_repository

Question 20

What does the command git remote -v do?

Answer 20

git remote -v lists the name and location from which the repository was cloned.

git remote will list only the name (normally set as origin)

Question 21

How do you check is changes have been made to the origin repository you have cloned?

Answer 21

git fetch