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: Virtualization and Virtual Machines, Virtual Machines, Virtualization, Containerization, Virtual Networking, Cloud Deployment, Open Source Technology, Data Persistence
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Linux Administration, Linux, Package and Software Management, Remote Access Systems, File Management, Linux Commands, Linux Servers, Operating System Administration, OS Process Management, Ubuntu, Systems Administration, System Monitoring, General Networking, Event Monitoring, Network Administration, System Configuration, Command-Line Interface, Network Troubleshooting, Software Installation, Service Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Linux, Linux Administration, Operating System Administration, File Systems, User Accounts, Linux Commands, User Provisioning, Data Storage, Systems Administration, File Management, Performance Tuning, Data Storage Technologies, Operating Systems, System Configuration, Security Controls
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Linux, Linux Administration, Package and Software Management, Software Installation, Open Source Technology, Computing Platforms, Operating Systems, Development Environment, Desktop Support
Beginner · Course · 1 - 4 Weeks

Codio
Skills you'll gain: User Accounts, Unix Commands, Unix, Unix Shell, Command-Line Interface, User Provisioning, OS Process Management, File Systems, Linux, Ubuntu, Linux Commands, Operating Systems, Systems Administration, Operating System Administration, Authorization (Computing), Shell Script, File Management, Data Storage
★ 4.4 (89) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Open Source Technology, Package and Software Management, Linux, Ubuntu, Operating System Administration, Linux Administration, Linux Commands, Operating Systems, Unix, Command-Line Interface, File Systems, Linux Servers, Unix Commands, Network Administration, Red Hat Enterprise Linux, Bash (Scripting Language), Application Deployment, Shell Script, IT Automation, Web Applications
★ 4.7 (10) · Intermediate · Course · 1 - 3 Months

Infosec
Skills you'll gain: File Systems, Digital Forensics, Microsoft Windows, File Management, Operating Systems, Data Structures, Data Validation, File I/O, Data Storage
★ 4.7 (81) · Intermediate · Course · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: File Systems, Endpoint Security, Linux, Operating System Administration, Microsoft Windows, Windows PowerShell, Linux Administration, Windows Servers, Operating Systems, Security Software, Linux Commands, File Management, Network Administration, Active Directory, System Monitoring, System Configuration, OS Process Management, Network Security, Command-Line Interface, Malware Protection
★ 4.8 (67) · Mixed · Course · 1 - 4 Weeks

The Linux Foundation
Skills you'll gain: Package and Software Management, Linux, Command-Line Interface, File Systems, Linux Administration, Linux Commands, User Accounts, Operating System Administration, System Configuration, File Management, Unix Shell, User Provisioning, System Monitoring, Operating Systems, System Software, Patch Management, Software Installation, Graphical Tools
★ 4.5 (1.4K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Peripheral Devices, Network Troubleshooting, Desktop Support, Computer Displays, USB, Display Devices, TCP/IP, Virtual Local Area Network (VLAN), Operating System Administration, Hardware Troubleshooting, Mac OS, Microsoft Windows, General Networking, Technical Support and Services, Technical Support, Network Infrastructure, System Support, Local Area Networks, Network Protocols, Knowledge of Apple Software
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Networking Hardware, General Networking, Network Architecture, Wireless Networks, Network Protocols, Computer Networking, TCP/IP, Local Area Networks, Network Security, Network Troubleshooting, System Configuration, Wide Area Networks, Servers
★ 4.5 (295) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Operating System Administration, Local Area Networks, Software Installation, Command-Line Interface, Microsoft Windows, System Configuration, Systems Administration, TCP/IP, Linux Administration, Linux, General Networking, Patch Management, Operating Systems, User Accounts, Network Routers, System Monitoring, Network Troubleshooting, Mac OS, Identity and Access Management, Network Security
★ 5 (9) · Intermediate · Course · 1 - 3 Months