I have been using the solution for two years.

I have been using Amazon EFS (Elastic File System) for three to four years. I am a customer of Amazon.

I have been using this solution for one year.

I have been using Amazon EFS (Elastic File System) for two and a half years. My company functions as a service provider for the product. I currently work with the solution's cloud versions from cloud service providers like GCP, Microsoft Azure, and Amazon AWS. With the help of the CLI tool, I can provide and handle whatever version of the solution my company's clients want. New customers prefer the latest version, while older customers using the solution for the last four or five years prefer the older version of the solution.

I started using EFS about six months ago. 

We have been using the solution for one year.

I have been working with Amazon EFS for around two years.

We have been using this solution for almost five years. It is deployed on-premises.

I have been using Amazon EFS for around two years.