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: Transaction Processing, Data Persistence, Performance Tuning, System Programming, Memory Management, Operating Systems, C++ (Programming Language), C (Programming Language), System Configuration, Hardware Architecture, File Systems, Data Integrity, Computer Architecture, Data Storage, Computer Hardware, Data Storage Technologies, Application Development
★ 5 (71) · Beginner · Course · 1 - 4 Weeks

Dartmouth College
Skills you'll gain: File I/O, Embedded Software, C and C++, C (Programming Language), Linux, Embedded Systems, System Programming, Build Tools, Linux Commands, Command-Line Interface, Program Development, Computer Programming Tools, Code Reusability, Software Installation, Development Environment, Application Development, Make.com, Computer Programming, File Management, Dependency Analysis
★ 4.7 (33) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Peripheral Devices, Network Troubleshooting, Desktop Support, Computer Displays, USB, Wireless Networks, Virtualization and Virtual Machines, Network Administration, Display Devices, Virtual Machines, General Networking, TCP/IP, Virtualization, Computing Platforms, Network Support, Virtual Local Area Network (VLAN), Hardware Architecture, Data Storage, Computer Systems, Memory Management
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: MITRE ATT&CK Framework, Metasploit, Penetration Testing, Exploit development, Exploitation techniques, Threat Modeling, Cyber Security Assessment, Cybersecurity, Operating System Administration, Operating Systems, Hardening, Computer Security, Malware Protection, Vulnerability Assessments, Security Controls, Authorization (Computing), Identity and Access Management, Memory Management, Data Persistence, Computer Architecture
★ 4.1 (9) · Intermediate · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Microsoft Copilot, Cloud Applications, Microsoft Windows, Cloud Storage, Cloud-Based Integration, Software Installation, Web Applications, Artificial Intelligence, AI Enablement, Operating Systems, User Interface (UI), File Management
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Incident Response, Intrusion Detection and Prevention, Computer Security Incident Management, Incident Management, Threat Detection, Security Information and Event Management (SIEM), IT Automation, Automation, Event Monitoring, Cyber Threat Intelligence, Continuous Monitoring, System Monitoring, Anomaly Detection, Cybersecurity, Data Analysis Software, Artificial Intelligence and Machine Learning (AI/ML)
★ 4.7 (69) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cyber Threat Intelligence, MITRE ATT&CK Framework, Network Security, Cyber Threat Hunting, Cyber Security Strategy, Threat Detection, Cybersecurity, Threat Management, Cyber Security Assessment, Operating System Administration, IT Security Architecture, Cyber Attacks, Intrusion Detection and Prevention, Cyber Engineering, Malware Protection, Vulnerability Management, Vulnerability Assessments, Incident Response, Network Monitoring, Incident Management
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Package and Software Management, Linux Administration, Shell Script, Ubuntu, User Accounts, Linux, Devops Tools, Unix Shell, Linux Servers, Linux Commands, Red Hat Enterprise Linux, Bash (Scripting Language), Kubernetes, Command-Line Interface, Network Troubleshooting, Containerization, Ansible, File Systems, Application Deployment, Authentications
★ 4.6 (31) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Vulnerability Assessments, Vulnerability Management, Network Security, Metasploit, Penetration Testing, Network Administration, Software Installation, System Configuration, Cyber Security Policies, Web Applications, Authentications, Linux
Beginner · Course · 1 - 3 Months

Skills you'll gain: Mobile Security, Desktop Support, Microsoft Windows, Problem Management, Operating System Administration, System Support, Technical Support and Services, Security Management, Android (Operating System), Computer Security Incident Management, Threat Management, Apple iOS, Application Performance Management, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Operating System Administration, Information Technology Operations, Incident Management, IT Automation, Security Controls, Data Storage Technologies, Systems Administration, System Support, Technical Support and Services, Network Support, Scripting, Endpoint Security, Network Troubleshooting, Knowledge of Apple Software, Wireless Networks, User Accounts
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: OSI Models, TCP/IP, Vulnerability Scanning, General Networking, Network Protocols, Network Security, Network Monitoring, Network Troubleshooting, Security Testing, Intrusion Detection and Prevention, Vulnerability Assessments, Firewall, Performance Tuning, Threat Detection, Network Analysis, Test Script Development, Scripting, System Configuration
Intermediate · Course · 1 - 3 Months