Here are key aspects of SAP BASIS:

System Administration:

SAP Basis is responsible for the overall administration of SAP systems, including system monitoring, tuning, and troubleshooting.
It involves tasks such as client management, system landscape configuration, and transport management.

Installation and Upgrades:

SAP Basis consultants are involved in the installation and upgrade of SAP software components. This includes installing new systems, applying support packages, and upgrading the SAP kernel.

Security and Authorization:

SAP Basis handles user management, security settings, and authorization management within the SAP landscape.
It involves defining roles, authorizations, and profiles to control access to SAP applications.

Database Administration:

SAP Basis is responsible for managing the underlying database systems (such as SAP HANA, Oracle, or Microsoft SQL Server) that store the SAP application data.
Tasks include database monitoring, backup and recovery, and performance tuning.

Performance Tuning:

Basis administrators optimize the performance of SAP systems by monitoring resource usage, analyzing bottlenecks, and implementing tuning measures.
This includes tuning the SAP application server, database parameters, and network configurations.

Transport Management System (TMS):

TMS is a part of SAP Basis that manages the transport of configuration and development objects between SAP systems in a landscape.
It ensures a controlled and organized flow of changes across different environments.

System Copies and Refreshes:

SAP Basis is involved in performing system copies for creating new SAP systems or refreshing existing ones. This includes copying the entire system or specific components.

SAP Landscape Management (LaMa):

SAP LaMa is a tool integrated with SAP Basis that provides centralized management of SAP landscapes. It helps automate and streamline various landscape-related tasks.

Kernel Upgrades:

SAP Basis consultants manage the SAP kernel, which is the core of the SAP system. They perform kernel upgrades to apply patches and improve system performance.

SAP GUI Installation and Configuration:

Basis administrators handle the installation and configuration of SAP GUI (Graphical User Interface) on user workstations to access SAP applications.

SAP Solution Manager Integration:

Basis administrators integrate SAP systems with SAP Solution Manager, enabling centralized monitoring, management, and support functionalities.

System Monitoring and Alerting:

Basis administrators use monitoring tools to keep track of system health, performance, and potential issues. They set up alerts to proactively identify and address problems.

SAP Basis is essential for the technical management and maintenance of SAP landscapes. Basis administrators work closely with other SAP teams, such as ABAP developers and functional consultants, to ensure the overall health and performance of SAP systems in an organization.