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: Metasploit, Penetration Testing, Network Security, Exploit development, Vulnerability Scanning, Security Testing, Wireless Networks, Cybersecurity, Exploitation techniques, Linux, Vulnerability Assessments, Information Systems Security, Cyber Attacks, Command-Line Interface, Linux Administration, Linux Commands, Network Analysis, Encryption, Virtual Private Networks (VPN), System Configuration
★ 4.8 (13) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Medical Terminology, Obstetrics And Gynecology, Urology, Gynecology, Urinalysis, Anatomy, General Medical Tests and Procedures, Medical Records, Pathology, Diagnostic Tests, Health Information Management and Medical Records, Physiology, Nephrology, Maternal Health
★ 4.9 (34) · Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Data Structures, File I/O, Debugging, Data Processing, Application Development, Code Reusability, Maintainability, File Management, File Systems, Programming Principles, Computer Programming, Python Programming, System Configuration, Operating Systems, Software Development, Virtual Machines, Cross Platform Development
★ 4.6 (14) · Beginner · Specialization · 1 - 3 Months

University of Michigan
Skills you'll gain: Hypertext Markup Language (HTML), Web Content Accessibility Guidelines, HTML and CSS, Web Language, Web Design, Semantic Web, Web Development, Cascading Style Sheets (CSS), Web Content, Responsive Web Design, Web Presence, Verification And Validation
★ 4.6 (50) · Mixed · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Continuous Improvement Process, Continuous Quality Improvement (CQI), Student-Centred Learning, Innovation, Education and Training, Process Improvement, Instructional Strategies, Program Evaluation, International Relations, Initiative and Leadership, Open Mindset, Systems Thinking, Policy Analysis, Leadership, Empowerment, Community Development, Collaboration, World History, Leadership and Management, Critical Thinking
★ 4.8 (71) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Linux Commands, Linux, OS Process Management, Command-Line Interface, Unix Commands, File Systems, User Accounts, Bash (Scripting Language), Shell Script, grep, Linux Administration, Unix Shell, File Management, Remote Access Systems, Operating Systems, Scripting, DevOps
Beginner · Course · 3 - 6 Months

The University of Melbourne
Skills you'll gain: Financial Analysis, Financial Acumen, Financial Management, Financial Data, Financial Market, Investment Management, Strategic Decision-Making, Corporate Finance, Risk Analysis, Business Risk Management
★ 4.8 (138) · Mixed · Course · 1 - 4 Weeks

Starweaver
Skills you'll gain: Working Capital, Financial Statements, Financial Modeling, Financial Accounting, Financial Analysis, Financial Reporting, Financial Statement Analysis, Cash Management, Income Statement, Business Valuation, Accounting, Cash Flows, Bookkeeping, Benchmarking, Return On Investment, Balance Sheet, Risk Analysis, Microsoft Excel, Investment Banking, Finance
Beginner · Specialization · 1 - 3 Months

University of Colorado System
Skills you'll gain: Computational Thinking, C (Programming Language), Programming Principles, Computer Programming, Code Reusability, Data Storage
★ 4.6 (37) · Beginner · Course · 1 - 4 Weeks

Parsons School of Design, The New School
Skills you'll gain: Economics, Policy, and Social Studies, Socioeconomics, Sustainable Systems, Social Studies, Economics, Market Dynamics, Social Justice, Economic Development, Labor Relations, Sustainable Development, Social Sciences, International Relations, Business Economics, World History, Financial Systems, Behavioral Economics, Financial Policy, Leadership, Critical Thinking, Communication
★ 4.7 (60) · Beginner · Course · 1 - 3 Months

Skills you'll gain: SAS (Software), Forecasting, Spatial Data Analysis, Data Visualization Software, Data Mapping, Interactive Data Visualization, Time Series Analysis and Forecasting, Trend Analysis, Predictive Analytics, Geospatial Mapping, Data Analysis, Data Wrangling, Geospatial Information and Technology, Geographic Information Systems, Advanced Analytics, Analytics, Data Transformation, Statistical Programming
★ 4.8 (223) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Star Schema, Microsoft SQL Servers, Database Design, Relational Databases, SQL, Data Warehousing, Database Development, Query Languages, Transact-SQL, Data Integrity, Power BI, Business Intelligence, Performance Tuning, Generative AI
★ 5 (10) · Beginner · Course · 1 - 4 Weeks