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: Penetration Testing, Vulnerability Scanning, Hardening, Cybersecurity, Security Testing, Vulnerability Assessments, Network Analysis, Exploitation techniques, Linux, System Configuration, Linux Administration, Virtual Machines, Linux Commands, Operating Systems, Software Installation
★ 4.9 (31) · Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Bash (Scripting Language), Shell Script, Unix Shell, Scripting, Linux Commands, Unix Commands, Scripting Languages, Command-Line Interface, Linux, File Management, Unix, File Systems, Systems Administration
★ 4.5 (681) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Computer Hardware, Operating Systems, Desktop Support, Hardware Architecture, Network Troubleshooting, Databases, Technical Support and Services, Hardware Troubleshooting, Information Technology, Package and Software Management, Technical Support, Information Technology Operations, System Support, Database Management Systems, Computer Systems, Operating System Administration, Security Controls, Information Systems Security, Patch Management, End User Training and Support
★ 3.8 (6) · Beginner · Course · 3 - 6 Months

Universidad Nacional Autónoma de México
Skills you'll gain: NoSQL, Database Systems, MongoDB, Database Software, Database Management Systems, Databases, Database Design, Database Theory, Relational Databases, Query Languages, Apache Cassandra, Data Storage Technologies, Scalability, Graph Theory, Unstructured Data, Maintainability
★ 4.3 (170) · Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Threat Detection, Cybersecurity, Intrusion Detection and Prevention, Cyber Threat Intelligence, Cyber Attacks, Network Infrastructure, Network Security, Endpoint Detection and Response, Network Architecture, General Networking, Endpoint Security, Continuous Monitoring, Malware Protection, System Monitoring, Incident Response, Email Security, Anomaly Detection, Operating Systems, Identity and Access Management
★ 4.9 (8) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Linux Administration, Package and Software Management, Linux, User Accounts, Operating System Administration, System Monitoring, Linux Servers, Linux Commands, User Provisioning, Amazon Web Services, Network Troubleshooting, File Management, Command-Line Interface, File Systems, Amazon Elastic Compute Cloud, Systems Administration, Operating Systems, General Networking, Identity and Access Management, IT Automation
Beginner · Course · 1 - 3 Months

Skills you'll gain: File Management, Document Management, Computer Literacy, File Systems, Computer Hardware, Computer Security Awareness Training, Spreadsheet Software, Security Awareness, digital literacy, Safety and Security, Cybersecurity
★ 4.8 (16) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Mac OS, Microsoft Windows, Operating System Administration, Desktop Support, System Support, End User Training and Support, Knowledge of Apple Software, System Configuration, Computer Displays, Software Installation, Android (Operating System), Apple iOS, Mobile Security, Patch Management, Package and Software Management, iOS Development, System Monitoring, OS Process Management, Performance Tuning, Browser Compatibility
Beginner · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Data Warehousing, Extract, Transform, Load, Business Intelligence, Data Mining, Big Data, Predictive Analytics, Analytics, Data Modeling, MySQL, Apache Hadoop, Data Integration, Star Schema, Unstructured Data, Database Design, Data Processing, SQL, Classification Algorithms
★ 3.9 (104) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Business Continuity Planning, Disaster Recovery, Business Continuity, Information Technology Architecture, Mainframe Computing, Infrastructure Architecture, IT Infrastructure, Mainframe Technologies, System Monitoring, Data Loss Prevention, Operating Systems, Middleware
★ 4.4 (12) · Beginner · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Data Mining, Database Design, Scalability, Database Systems, Relational Databases, Unstructured Data, Transaction Processing, Database Architecture and Administration, Systems Design, Database Software, Big Data, Database Development, Data Architecture, NoSQL, Data Processing, Maintainability, Apache Hadoop
★ 4.3 (40) · Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Android (Operating System), Android Development, Mobile Development, Software Architecture, Live Streaming, Application Frameworks, Performance Tuning, Middleware, Image Quality, Linux
★ 3.1 (8) · Intermediate · Course · 1 - 4 Weeks