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.

28DIGITAL
Skills you'll gain: Real-Time Operating Systems, Embedded Software, Embedded Systems, Internet Of Things, Operating Systems, System Programming, Application Development, Wireless Networks, Communication Systems, Hardware Architecture, OS Process Management, Network Protocols, C (Programming Language), Simulations, Computer Hardware, Network Performance Management, Memory Management
★ 4.1 (628) · Intermediate · Course · 1 - 4 Weeks

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

Skills you'll gain: Application Deployment, Windows PowerShell, Operating System Administration, Software Installation, Operating Systems, Package and Software Management, Microsoft Windows, System Configuration, Release Management, IT Infrastructure, Configuration Management, Simulations
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Package and Software Management, Linux Administration, Linux, System Monitoring, Linux Commands, Operating System Administration, File Systems, User Accounts, Command-Line Interface, User Provisioning, Systems Administration, Data Storage, System Configuration, File Management, Data Storage Technologies, Network Administration, Software Installation, Network Troubleshooting, Open Source Technology
★ 4.5 (177) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Linux Administration, Linux Servers, Red Hat Enterprise Linux, Linux, Operating System Administration, IBM Cloud, Linux Commands, Virtualization, Systems Administration, Virtualization and Virtual Machines, Virtual Machines, Cloud Infrastructure, Cloud Computing, System Monitoring, Software Installation, System Configuration, Private Cloud, Remote Access Systems, Package and Software Management
★ 4.6 (137) · Intermediate · Course · 1 - 3 Months

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

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

LearnQuest
Skills you'll gain: Virtual Private Networks (VPN), Linux Administration, Public Key Infrastructure, Linux, Linux Servers, Intrusion Detection and Prevention, Firewall, Remote Access Systems, Operating System Administration, Linux Commands, Authentications, Authorization (Computing), Network Security, Hardening, Security Controls, Infrastructure Security, Identity and Access Management, System Monitoring, Cybersecurity, Information Technology
★ 4.5 (112) · Beginner · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Open Source Technology, Package and Software Management, Linux, Shell Script, Ubuntu, Unix Shell, Linux Administration, Operating System Administration, Bash (Scripting Language), Linux Servers, Unix, Operating Systems, Command-Line Interface, Scripting, Linux Commands, Red Hat Enterprise Linux, File Systems, Network Administration, Software Installation, System Software
★ 4.8 (12) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: File Systems, Linux, Linux Commands, File Management, Linux Administration, Operating Systems, Unix, Command-Line Interface, Authorization (Computing), Data Storage
★ 4.7 (20) · Intermediate · Guided Project · Less Than 2 Hours

Packt
Skills you'll gain: Package and Software Management, Command-Line Interface, Ubuntu, Linux, Linux Administration, grep, Linux Commands, Red Hat Enterprise Linux, File Systems, Software Installation, File Management, Virtual Environment, Open Source Technology
★ 4.4 (18) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unix, Unix Shell, Unix Commands, Shell Script, Operating System Administration, File Systems, Operating Systems, Command-Line Interface, Performance Tuning, System Monitoring, File Management, OS Process Management, System Configuration
★ 4.8 (27) · Intermediate · Course · 1 - 4 Weeks