Complete Git Guide: Understand and Master Git and GitHub - How Many Files can Git Store?

The video tutorial discusses the use of hash functions in Git, focusing on two main questions: the number of files Git can store in a repository and the probability of hash collisions. It explains the concept of combinations using binary systems and applies this understanding to calculate the number of possible SHA-1 hash combinations. The tutorial concludes by addressing the vast capacity of Git to store files and introduces the topic of hash collisions, which will be explored in the next lecture.

What are the two main questions posed about Git's hash function?

• How many files can Git store and how fast is Git?

• What is the probability of hash collision and how many files can Git store?

• How secure is Git and what is the probability of hash collision?

• How many files can Git store and how secure is Git?

In a binary system with two places, how many combinations can be created?

• 8

• 2

• 4

• 6

What is the length of a SHA-1 hash in bits?

• 128 bits

• 256 bits

• 512 bits

• 160 bits

How many possible combinations can be created using a SHA-1 hash?

• 2 to the power of 128

• 2 to the power of 256

• 2 to the power of 512

• 2 to the power of 160

Why is it unlikely to worry about Git's ability to store files?

• Because the number of SHA-1 combinations is extremely large

• Because Git uses a 256-bit hash

• Because Git compresses files efficiently

• Because Git has unlimited storage capacity