Operating system courses can help you learn process management, memory allocation, file systems, and user interfaces. You can build skills in troubleshooting system errors, optimizing performance, and implementing security protocols. Many courses introduce tools like Linux, Windows, and virtualization software, illustrating how these skills are applied in real-world environments.

Skills you'll gain: Cybersecurity, Security Controls, Information Systems Security, Security Management, Information Systems Security Assessment Framework (ISSAF), Network Security, Cyber Risk, Security Information and Event Management (SIEM), Information Assurance, Data Ethics, Ethical Standards And Conduct, SQL
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Meta
Skills you'll gain: React Native, Jest (JavaScript Testing Framework), Version Control, User Research, Usability Testing, Unix Commands, Restful API, Git (Version Control System), Persona (User Experience), GitHub, Interaction Design, SQL, User Experience Design, User Interface (UI), User Experience, Mobile Development, Design Research, React.js, Web Development Tools, Javascript
Beginner · Specialization · 3 - 6 Months
Johns Hopkins University
Skills you'll gain: Shiny (R Package), Rmarkdown, Exploratory Data Analysis, Model Evaluation, Regression Analysis, Version Control, Statistical Analysis, R Programming, Data Manipulation, Data Cleansing, Data Science, Statistical Inference, Predictive Modeling, Statistical Hypothesis Testing, Machine Learning Algorithms, Plotly, Plot (Graphics), Interactive Data Visualization, Machine Learning, GitHub
Beginner · Specialization · 3 - 6 Months

Meta
Skills you'll gain: React Native, iOS Development, Core Data (Software), Restful API, Version Control, Apple iOS, User Research, Usability Testing, Apple Xcode, Data Structures, Swift Programming, Jest (JavaScript Testing Framework), User Interface (UI), Unix Commands, Git (Version Control System), Persona (User Experience), GitHub, Interaction Design, Mobile Development, Javascript
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Human Resources Software, Human Resources Information System (HRIS), Systems Administration, Organizational Structure, Payroll Administration, Oracle Databases, Workforce Management, Payroll, Payroll Processing, Employee Training, User Accounts, Data Entry, Scheduling
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Application Performance Management, Distributed Denial-Of-Service (DDoS) Attacks, Google Cloud Platform, Kubernetes, Cloud Infrastructure, Identity and Access Management, Data Loss Prevention, Load Balancing, System Monitoring, Prompt Engineering, Network Monitoring, Cloud Computing Architecture, Containerization, Virtual Networking, Network Architecture, Role-Based Access Control (RBAC), Network Security, Network Routing, Cloud Security, Virtual Private Networks (VPN)
Build toward a degree
Intermediate · Professional Certificate · 3 - 6 Months

Skills you'll gain: Operating Systems, Network Security, Hardware Troubleshooting, Desktop Support, Network Troubleshooting, Microsoft Windows, Computer Hardware, Command-Line Interface, Systems Administration, System Support, Unix, Mac OS, Unix Commands, Linux, System Configuration, Technical Support and Services, Operating System Administration, Network Infrastructure, Data Storage, Active Directory
Intermediate · Specialization · 3 - 6 Months

Intuit
Skills you'll gain: Reconciliation, Financial Statements, Financial Statement Analysis, Inventory Accounting, Payroll, Bookkeeping, QuickBooks (Accounting Software), Payroll Administration, Inventory Control, Payroll Processing, Income Statement, Balance Sheet, Financial Reporting, Depreciation, Fixed Asset, Payroll Tax, Property Accounting, Accounting Software, Financial Accounting, Financial Analysis
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Information Technology, Computer Hardware, Cloud Computing, Network Troubleshooting, Software Installation, Technical Support and Services, Cybersecurity, Cloud Infrastructure, Hardware Troubleshooting, Data Storage, Database Software, Operating Systems, Computer Networking, Computer Security Awareness Training, Computer Programming, Virtual Private Networks (VPN), Project Management
Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Threat Modeling, MITRE ATT&CK Framework, Penetration Testing, Azure Active Directory, Network Security, Computer Systems, Security Information and Event Management (SIEM), Security Testing, Encryption, Cybersecurity, System Testing, Cloud Security, Vulnerability Scanning, Threat Management, Cloud Computing, Authentications, Active Directory, Operating Systems, Data Management, Computer Security Incident Management
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: System Monitoring, Dashboard, Application Performance Management, Site Reliability Engineering, Continuous Monitoring, Event Monitoring, Performance Tuning, Performance Metric, Service Level, Generative AI, MLOps (Machine Learning Operations), Business Metrics, Analysis, Service Level Agreement, Distributed Computing, Incident Management, Real Time Data, Data Integration
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Warehousing, Extract, Transform, Load, Apache Airflow, Linux Commands, SQL, IBM Cognos Analytics, Data Pipelines, Apache Kafka, Bash (Scripting Language), Shell Script, Data Visualization, Dashboard, File Management, Star Schema, IBM DB2, Business Intelligence, Interactive Data Visualization, Relational Databases, Stored Procedure, Databases
Beginner · Specialization · 3 - 6 Months