Course Name: Mainframe Fundamentals Description: This introductory course covers the fundamental concepts of mainframe computing. Participants will learn about the architecture of mainframe systems, including hardware components, operating systems (e.g., z/OS), and data storage. Topics include batch processing, job control language (JCL), and file management.

Course Name: COBOL Programming for Mainframes Description: This course focuses on COBOL (Common Business-Oriented Language) programming, which is widely used in mainframe environments. Participants will learn COBOL syntax, data structures, and how to develop applications for mainframes.

Course Name: JCL (Job Control Language) for Mainframes Description: JCL is essential for job scheduling and batch processing on mainframes. This course covers JCL syntax, job execution, and managing mainframe batch jobs.

Course Name: DB2 for Mainframes Description: This course delves into IBM's DB2 database management system on mainframes. Participants will learn how to create and manage DB2 databases, SQL programming for querying data, and database administration tasks.

Course Name: CICS (Customer Information Control System) Programming Description: CICS is a transaction processing system used in mainframes. This course covers CICS application development, including program design, screen layouts, and transaction management.

Course Name: Mainframe Security and Compliance Description: Mainframes are known for their robust security features. This course focuses on security best practices, including access control, encryption, auditing, and compliance requirements in a mainframe environment.

Course Name: Mainframe Performance Tuning and Optimization Description: Learn how to optimize the performance of mainframe systems. This course covers performance monitoring, tuning techniques, and capacity planning to ensure mainframe systems run efficiently.

Course Name: Mainframe Networking and Connectivity Description: Explore networking concepts specific to mainframes, including communication protocols, data transfer, and integration with other systems and platforms.

Course Name: Mainframe Modernization Description: This course addresses strategies and technologies for modernizing legacy mainframe applications. Topics include migration to newer platforms, web enablement, and cloud integration.

Course Name: Mainframe DevOps and Automation Description: Discover how DevOps practices can be applied in a mainframe environment. Learn about automation tools, version control, continuous integration, and deployment pipelines for mainframe applications.

These are examples of the types of mainframes courses that may be available. Please note that the specific course offerings, content, and availability may vary depending on the training provider, institution, or online platform. When considering a mainframes course, it's important to assess your skill level, whether you are a beginner or have prior experience, and choose the course that aligns with your goals and objectives in the mainframe computing domain.