GIT - Coursera

Question 1

Before changes in new files can be added to the Git directory, what command will tell Git to track our file in the list of changes to be committed?

Answer 1

git add

Question 2

Which command would we use to review the commit history for our project?

Answer 2

git log

Question 3

What command would we use to make Git track our file?

Answer 3

git add

Question 4

Which command would we use to look at our config?

Answer 4

git config -l

Question 5

Which command would we use to view pending changes?

Answer 5

git status

Question 6

How can a VCS (Version Control System) come in handy when updating your software, even if you’re a solo programmer? Check all that apply.

Answer 6

• Git retains local copies of repositories, resulting in fast operations.
• If something breaks due to a change, you can fix the problem by reverting to a working version before the change.
• Git allows you to review the history of your project.

Question 7

Who is the original creator and main developer of the VCS (Version Control System) tool Git?

Answer 7

Linus Torvalds

Linus Torvalds developed Git in 2005 to better facilitate the process of developing the Linux kernel with developers across the globe.

Question 8

_____ is a feature of a software management system that records changes to a file or set of files over time so that you can recall specific versions later.

Answer 8

Version control

Question 9

A _____ is a collection of edits which has been submitted to the version control system for safe keeping.

Answer 9

commit

Question 10

Within a VCS, project files are organized in centralized locations called _____ where they can be called upon later.

Answer 10

repositories

Question 11

Your colleague sent you a patch called fix_names.patch, which fixes a config file called fix_names.conf. What command do you need to run to apply the patch to the config file?

Answer 11

patch fix_names.conf < fix_names.patch

Question 12

You’re helping a friend with a bug in a script called fix_permissions.py, which fixes the permissions of a bunch of files. To work on the file, you make a copy and call it fix_permissions_modified.py. What command do you need to run after solving the bug to send the patch to your friend?

Answer 12

diff fix_permissions.py fix_permissions_modified.py > fix_permissions.patch

Question 13

The _____ commandhighlights the words that changed in a file instead of working line by line.

Answer 13

wdiff

The wdiff command highlights the words that changed in a file by color, in addition to working line by line.

Question 14

How can we choose the return value our script returns when it finishes?

Answer 14

Using the exit command from the sys module.

A script can use sys.exit to finish processing and return the number passed as an argument as the script’s return code.

Question 15

In addition to the original files, what else do we need before we can use the patch command?

Answer 15

Diff file

Question 16

How we need to tell Git who we are?

Answer 16

git config –global user.email “xxx@gmail.com”

git config –global user.name “Svetlana”

Question 17

How to create folder and go into it?

Answer 17

mkdir newFolder
cd newFolder

(where newFolder - name of just new created folder)

Question 18

How to create new repository?

Answer 18

git init

Команда git init создает новый репозиторий Git.

При выполнении команды git init в текущем рабочем каталоге создается подкаталог .git со всеми необходимыми метаданными Git для нового репозитория. Метаданные включают подкаталоги для объектов, ссылок и файлов шаблонов. Кроме того, создается файл HEAD, который указывает на текущий извлеченный коммит.

Question 19

diff

Answer 19

diff is used to find differences between two files. On its own, it’s a bit hard to use;

Question 20

diff -u

Answer 20

diff -u is used to compare two files, line by line, and have the differing lines compared side-by-side in the same output.

Question 21

Patch

Answer 21

Patch is useful for applying file differences. See the below example, which compares two files. The comparison is saved as a .diff file, which is then patched to the original file!