What is R/3? and what is basis version?

What is R/3? and what is basis version?

SAP Basis:


- Provides the runtime environment for all SAP applications


- Optimally embeds the application in the system environment


- Defines a stable architecture framework for system enhancements


- Contains the tools for administering the entire system


- Allows the distribution of resources and system components


- Provides interfaces for decentralized system parts and external products.

An R/3 instance is a group of R/3 services that are started and stopped as a unit (by an R/3 dispatcher) and have a common instance profile. The name of an R/3 instance is composed of letters standing for the relevant services, and an instance number which is unique for each computer. The services may be D, V, E, B, M, G, or S, which respectively stand for dialogue, update, enqueue, background, message, gateway, and spool services.

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