FreeCourse Logo
FreeCourse.io
Verified CouponsFree CoursesBlog
Categories
Home/Courses/Mainframe Masterclass: z/OS, COBOL, JCL & VSAM 2026 Q&S Test
Mainframe Masterclass: z/OS, COBOL, JCL & VSAM 2026 Q&S Test
IT & Software100% OFF

Mainframe Masterclass: z/OS, COBOL, JCL & VSAM 2026 Q&S Test

PRAVASINI MALLIK
0(133 students)
Self-paced
All Levels

About this course

Unlock the Power of the World’s Most Robust Computing EnvironmentWelcome to the ultimate guide to IBM Mainframe technology. While modern trends come and go, the Mainframe remains the backbone of the global economy, powering 90% of all credit card transactions and the world's largest banks, insurers, and retailers. This course is designed to take you from a complete beginner to a confident practitioner in the world of Enterprise Systems.Led by our resident expert, the "Lady Professor," this course simplifies complex architectural concepts into digestible, actionable lessons.

We don't just talk theory; we dive deep into the tools and languages that keep the world running.What makes this course unique? We focus on the "Big Four" pillars of Mainframe development:z/OS & TSO/ISPF: Navigate the operating system like a pro.JCL (Job Control Language): Learn to script and manage batch workloads efficiently.COBOL: Master the legendary language that still processes billions of lines of code daily.Data Management: Gain hands-on experience with VSAM and DB2.Whether you are a student looking for a high-paying niche in tech, or an IT professional transitioning from distributed systems, this course provides the roadmap you need. You will learn how to handle datasets, debug ABENDs, and write production-ready code.Join thousands of successful learners and secure your future in the high-demand field of Mainframe computing.

Enroll today and start your journey toward becoming an Enterprise Systems Expert!

Skills you'll gain

Other IT & Softwareen

Available Coupons

Loading...

Course Information

Level: All Levels

Suitable for learners at this level

Duration: Self-paced

Total course content

Instructor: PRAVASINI MALLIK

Expert course creator

This course includes:

  • 📹Video lectures
  • 📄Downloadable resources
  • 📱Mobile & desktop access
  • 🎓Certificate of completion
  • ♾️Lifetime access
$0$98.99

Save $98.99 today!

Enroll Now - Free

Redirects to Udemy • Limited free enrollments

Share this course

https://freecourse.io/courses/mainframe-masterclass-zos-cobol-jcl-vsam-2026-qs-test

You May Also Like

Explore more courses similar to this one

Quantum Kitchen: Cooking Up Concepts in Quantum Computing
IT & Software
0% OFF

Quantum Kitchen: Cooking Up Concepts in Quantum Computing

School of AI

Welcome to Quantum Kitchen: Cooking Up Concepts in Quantum Computing — a fun, beginner-friendly journey that transforms one of the most complex technologies of our time into something easy to understand and enjoyable to learn. This course uses food analogies, cooking metaphors, and step-by-step explanations to make quantum computing concepts simple, memorable, and approachable for learners of all backgrounds.In today’s world, quantum computing is often described as the next revolution in technology — one that could transform industries like artificial intelligence (AI), machine learning (ML), cryptography, drug discovery, finance, supply chain optimization, and materials science. But most introductions are filled with heavy math and intimidating physics. That’s where this course is different: we explain qubits, superposition, entanglement, quantum gates, quantum algorithms, and error correction using the everyday language of the kitchen.You’ll learn why superposition is like pasta both cooked and uncooked at the same time, why entanglement is like two dishes mysteriously connected across the kitchen, and how measurement collapses possibilities just like opening an oven door changes the fate of a soufflé. By the end, you’ll not only understand the fundamentals of quantum physics in computing but also how they power famous algorithms such as Deutsch’s Algorithm, Grover’s Algorithm, Simon’s Algorithm, and the world-changing Shor’s Algorithm.We’ll also explore how quantum hardware is built:Superconducting qubits (IBM, Google, Rigetti) – the “cold kitchen” approachTrapped ions (IonQ, Honeywell) – cooking with atomsPhotonic qubits (Xanadu, PsiQuantum) – cooking with lightTopological qubits (Microsoft) – exotic, error-resistant ingredientsAlong the way, you’ll get exposure to quantum programming frameworks like Qiskit, Cirq, and PyQuil, so you can write your own simple quantum circuits and run them on simulators or cloud-based quantum machines. These practical exercises will give you hands-on experience with quantum programming languages, preparing you for real-world applications.By the time you finish, you’ll have a clear understanding of how quantum computers differ from classical ones, why quantum error correction is essential, and how quantum algorithms deliver an advantage in solving problems classical supercomputers cannot. You’ll also gain insights into the quantum ecosystem, from Big Tech players like IBM, Google, and Microsoft to startups and government initiatives building the future of this field.This course is perfect for students, tech enthusiasts, professionals in AI and data science, or anyone curious about the future of computing. No advanced math or physics background is required — just curiosity and a willingness to think differently.Key Benefits of This Course:Understand quantum computing fundamentals through food analogiesLearn core concepts: qubits, superposition, entanglement, quantum gates, circuitsExplore quantum algorithms like Shor’s, Grover’s, and QFTGain exposure to quantum programming frameworks (Qiskit, Cirq, PyQuil)Discover real-world applications across AI, finance, cryptography, energy, and healthcarePrepare yourself for the quantum future with career insights and pathwaysJoin us in the Quantum Kitchen and start your journey toward becoming a confident Quantum Chef, ready to cook up concepts that will define the future of technology.

4.5•5.5K•Self-paced
FREE$90.99
Enroll
Mastering Agentic Design Patterns with Hands-on Projects
IT & Software
0% OFF

Mastering Agentic Design Patterns with Hands-on Projects

School of AI

Are you ready to bring intelligence to your software systems and explore a transformative approach to building autonomous solutions? Welcome to “Mastering Agentic Design Patterns: Build Smarter Systems with Intelligent Agents.” This course offers a deep dive into the principles and practical applications of agentic design, equipping you with the knowledge and hands-on skills to create robust, adaptive, and forward-thinking systems. Whether you’re an aspiring developer, a seasoned engineer, or a product manager aiming to enhance your project’s capabilities, this course will guide you through the entire journey of designing and implementing intelligent agents.Over the span of several modules, you’ll begin by gaining a solid understanding of what intelligent agents are and why they are becoming indispensable across industries like finance, smart cities, and autonomous vehicles. We’ll demystify the various types of agents, from reactive agents that respond in real-time to proactive agents that can anticipate future conditions. You’ll also learn how hybrid agents combine the strengths of both, adapting their behaviors to meet a wide range of tasks and objectives.Next, we delve into core design patterns that form the backbone of agentic systems. You’ll discover behavioral patterns such as the Observer and Strategy, structural patterns like Composite and Proxy, and interaction patterns that facilitate effective communication among agents, including Mediator and Chain of Responsibility. By mastering these patterns, you’ll be able to craft systems that are not only efficient and scalable but also incredibly flexible and easy to maintain.As the course progresses, we introduce advanced agentic design patterns that take coordination, negotiation, and learning to new heights. Through the study of the Contract Net Protocol, you’ll see how agents can allocate tasks among themselves, optimizing productivity and performance. You’ll also gain insights into negotiation and auction protocols, enabling agents to bargain and bid for resources or tasks in a competitive environment. Moreover, by exploring reinforcement learning and evolutionary algorithms, you’ll understand how agents can learn from their interactions and adapt to changing conditions without requiring constant human intervention.To ensure that theory translates into tangible, real-world value, we’ll guide you in implementing these intelligent systems using robust tools and frameworks like JADE and SPADE. From setting up your development environment to coding your first intelligent agent in Java or Python, you’ll get a hands-on feel for how these technologies come together in practice. We’ll also explore real-world case studies spanning smart city infrastructures, financial trading models, and even the exciting realm of autonomous vehicles, illustrating how agentic design patterns are revolutionizing multiple domains.Finally, we’ll tackle the ethical and practical challenges that arise when deploying intelligent agents. Issues of privacy, transparency, and accountability are paramount in modern technology solutions, and our course doesn’t shy away from discussing them. You’ll learn about future trends in AI and machine learning that are poised to further enhance agentic design, giving you a glimpse into what lies ahead.By the end of this course, you’ll have developed the expertise to not only conceptualize and design intelligent agents but also deploy them confidently in complex environments. Armed with practical knowledge, hands-on experience, and a comprehensive view of the ethical landscape, you’ll be ready to innovate and lead in the rapidly evolving world of agentic systems.

4.1•13.0K•Self-paced
FREE$100.99
Enroll
The Complete SQL Bootcamp: A Step-by-Step Approach
IT & Software
0% OFF

The Complete SQL Bootcamp: A Step-by-Step Approach

Udemy Instructor

Brief Introduction:The Complete SQL Bootcamp is a hands-on course designed to take you from the basics to a professional level. This comprehensive course will explore the principles of relational databases and the robust SQL programming language. It will equip developers with vital SQL skills to write queries for single and multiple tables, manipulate data within those tables, and create database objects.Course Overview:This step-by-step SQL course is designed to improve your SQL skills and is ideal for students who want to become proficient in SQL. Led by an experienced SQL Developer Instructor, this course offers a well-organized and engaging learning experience for those who want to master SQL.Learning Objectives:By the end of the course, you will learn how to:Retrieve Data using basic SQL SELECT StatementsRestrict and Sort DataUse Aggregate FunctionsApply Conditional ExpressionsGenerate Reports with Aggregated Data Using Group FunctionsDisplay Data from Multiple Tables Using JoinsUtilize Window FunctionsWork with Common Table Expressions (CTEs) using the WITH clauseManage Data using Subqueries and Advanced QueriesManage Tables using DML StatementsCreate Sequences, Synonyms, Indexes, Views, and Schema ObjectsWho is this course for?This course is designed for learners at all levels, from beginners looking for a solid foundation to SQL professionals striving for mastery. No prior knowledge is necessary. It is suitable for users of any database, including Oracle, MySQL, Microsoft SQL Server, Amazon Redshift, and MySQL.

0.0•4.9K•Self-paced
FREE$87.99
Enroll
FreeCourse LogoFreeCourse

Freecourse.io brings you high-quality online courses with free certificates to help you upskill, boost your career, and achieve your goals anytime, anywhere.

Resources

  • Courses
  • Categories
  • Features

Company

  • About
  • Blog
  • Contact

Legal

  • Privacy
  • Terms
  • Cookies
  • Licenses

© 2026 FreeCourse. All rights reserved.