Serialization allows you to serialize an entire Sitecore database or a series of items in a database to text files. You can then use these text files to transfer this database or series of items to another database or Sitecore solution.
What is SCS?
Sitecore Content Serialization (SCS) is a system for serializing, sharing, and deploying content items, as well as keeping them in version control. Same like (TDS and Unicorn)
How to install Sitecore CLI in your project?
You must have .NET Core installed on your workstation before installing the Sitecore CLI. If you do not have the required version of .NET Core installed, you get the following message:
It was not possible to find any compatible framework version
The framework ‘Microsoft.NETCore.App’, version ‘<major.minor>’ was not found.