What are the drawbacks of using file systems to store data?

1. Data inconsistency
2. Difficulty in accessing data
3. Data isolation
4. Atomicity of updates

Choose the correct answer from the options given below:

Traditional file systems have many drawbacks.

Statement $1$:

Data inconsistency can occur because the same data may be stored in multiple files.

So, statement $1$ is correct.

Statement $2$:

Accessing required data is difficult because special programs may be needed for each task.

So, statement $2$ is correct.

Statement $3$:

Data isolation occurs because data may be stored in different files and formats.

So, statement $3$ is correct.

Statement $4$:

Atomicity problems can occur because updates may be incomplete if a system failure happens.

So, statement $4$ is also correct.

Therefore, all given statements are drawbacks of file systems.