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: File Management, Document Management, Computer Literacy, File Systems, Computer Hardware, Computer Security Awareness Training, Spreadsheet Software, Security Awareness, digital literacy, Safety and Security, Cybersecurity
Intermediate · Course · 1 - 4 Weeks

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, Malware Protection, Email Security, Anomaly Detection, Operating Systems, Identity and Access Management
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, Systems Administration, General Networking, Identity and Access Management, IT Automation, Service Management, Software Installation
Beginner · Course · 1 - 3 Months

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)
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

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

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

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

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

Skills you'll gain: Mobile Security, Desktop Support, Microsoft Windows, Problem Management, Operating System Administration, Technical Support and Services, Security Management, Android (Operating System), Computer Security Incident Management, Debugging, Threat Management, Security Software, Apple iOS, Application Performance Management, Malware Protection, Performance Tuning
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

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Encryption, Information Systems Security, Threat Modeling, Cybersecurity, Cyber Attacks, Computer Security Incident Management, Threat Management, Application Security, Data Security, Computer Security, Security Management, Network Security, Incident Response, Data Encryption Standard, Cyber Security Policies, Cryptography, Intrusion Detection and Prevention, Security Controls, Data Integrity, Authentications
Build toward a degree
Intermediate · Course · 1 - 3 Months