Operating system, database, and version for erpnext?

1

Can some one tell me that which operating system and databse used for the development of erpnext?

2

Databse : MariaDB
OS: Ubuntu, centOS

Installation : GitHub - frappe/bench: CLI to manage Multi-tenant deployments for Frappe apps
Frappe Tutorial : http://frappe.github.io/frappe/user/tutorial/

3

thanks dear