L5: Managing and Collaborating on Software

Question 1

Version control system

Answer 1

• Allows to store the different versions of a file in order
• Allows to revert a file to an older version
• Allows to collaborate on the system with others
• Can (semi-)automatically merge file versions (that are not in conflict)

Question 2

Change, commit, version, and head

Answer 2

• Change: modification to a file
• Commit: collection of changes submitted to the repository
• Version: each state of the system after a commit
• Head: most recent commit to a repository

Question 3

Repository

Answer 3

A location that stores a copy of all files

Question 4

Clone, pull, checkout, and push

Answer 4

• Clone: creating a local copy by copying the remote
• Pull: getting changes from the remote
• Checkout: pulling a specific version of the remote
• Push: sending changes to the remote

Question 5

Branch and fork

Answer 5

A branch is a duplicate of the files in a repository
A fork is the same, except it is independent of the repository