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.

University of Colorado System
Skills you'll gain: Windows Servers, Authorization (Computing), Microsoft Windows, Authentications, Operating System Administration, User Accounts, Group Policy, Microsoft Servers, Security Controls, Enterprise Security, Active Directory, Identity and Access Management, Servers, Computer Security, System Configuration, Encryption
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Package and Software Management, Linux Administration, Linux, Linux Commands, Virtual Private Networks (VPN), Linux Servers, System Monitoring, Operating System Administration, Public Key Infrastructure, Ubuntu, Version Control, File Management, Command-Line Interface, Intrusion Detection and Prevention, Git (Version Control System), File Systems, User Accounts, Firewall, Cloud Computing Architecture, DevOps
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Debugging, Technical Communication, Network Troubleshooting, Performance Tuning, Problem Management, Technical Documentation, Technical Support, System Monitoring, System Support, Incident Management, Application Performance Management, Continuous Integration, Scripting
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Computer Hardware, Operating Systems, Databases, Hardware Troubleshooting, Information Technology, Technical Support, System Configuration, Security Controls, Wireless Networks, Software Installation, Computer Networking, Computer Security Awareness Training, Peripheral Devices
Beginner · Course · 3 - 6 Months

Skills you'll gain: Vulnerability Scanning, Vulnerability Assessments, Penetration Testing, Cyber Security Assessment, Network Security, Network Monitoring, Operating Systems
Beginner · Guided Project · Less Than 2 Hours

University of London
Skills you'll gain: Linux, Linux Commands, Computer Systems, Command-Line Interface, Cybersecurity, Computer Architecture, Network Security, Vulnerability Assessments, Hardware Architecture, Application Security, Threat Detection, Authorization (Computing), Network Protocols, Virtual Private Networks (VPN), Operating Systems, Authentications, Network Monitoring, TCP/IP, Network Analysis
Beginner · Course · 1 - 4 Weeks
Dartmouth College
Skills you'll gain: Command-Line Interface, C (Programming Language), Linux Commands, Linux, Embedded Systems, Embedded Software, Programming Principles, Computer Engineering, Linux Servers, File Systems, System Programming, Build Tools, Data Structures, Algorithms, Computer Architecture, Computer Programming, Software Documentation, Computer Science, Software Engineering, Debugging
Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Android (Operating System), Android Development, Mobile Development, Software Architecture, Live Streaming, Application Frameworks, Performance Tuning, Middleware, Linux, Application Programming Interface (API), Debugging
Intermediate · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Database Systems, Relational Databases, Database Management, SQL, Databases, Database Design, Database Architecture and Administration, Information Systems, MySQL, Data Modeling, Transaction Processing, Information Systems Security, Performance Tuning, Conceptual Design
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: MITRE ATT&CK Framework, Metasploit, Penetration Testing, Exploit development, Exploitation techniques, Threat Modeling, Cyber Threat Intelligence, Cyber Operations, Cyber Security Assessment, Cybersecurity, Operating Systems, Hardening, Malware Protection, Vulnerability Assessments, Security Controls, Authorization (Computing), Intrusion Detection and Prevention, System Programming, Authentications, Computer Architecture
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Business Continuity Planning, Disaster Recovery, z/OS, Information Technology Architecture, Mainframe Computing, IT Infrastructure, Site Reliability Engineering, Enterprise Architecture, System Monitoring, Data Loss Prevention, Systems Architecture, Systems Administration, Operating Systems, Middleware
Beginner · Course · 1 - 4 Weeks

Cloudera
Skills you'll gain: SQL, Apache Hive, Big Data, MySQL, Databases, PostgreSQL, Data Manipulation, Data Analysis, Virtual Machines
Beginner · Course · 1 - 3 Months