Linux Basics courses can help you learn command line navigation, file management, user permissions, and process management. You can build skills in shell scripting, system monitoring, and troubleshooting common issues. Many courses introduce tools like the Bash shell, Git for version control, and text editors such as Vim or Nano, showing how these skills are applied in real-world environments to manage servers and automate tasks.

Lund University
Skills you'll gain: Sustainable Systems, Sustainable Development, Systems Thinking, Sustainable Business, Corporate Sustainability, Policy Development, Environmental Issue, Policy Analysis, Research, and Development, Environmental Policy, Environmental Science, Climate Change Programs, Innovation, Natural Resource Management, Climate Change Adaptation, Community Development, Predictive Modeling, Climate Change Mitigation, Spatial Data Analysis, Resource Utilization, Geospatial Information and Technology
★ 4.7 (125) · Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: ASP.NET, Microsoft Copilot, C# (Programming Language), Application Programming Interface (API), Middleware, .NET Framework, API Design, Restful API, Back-End Web Development, Maintainability, Server Side, Programming Principles, JSON, Code Reusability, Software Architecture, Software Documentation, Secure Coding
★ 4.5 (81) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Kubernetes, Docker (Software), Containerization, Cloud-Native Computing, Application Deployment, YAML, Devops Tools, Command-Line Interface, Google Cloud Platform, Web Applications, Cloud Deployment, Data Persistence, Development Environment, Configuration Management, Virtual Networking, Nginx, Software Installation, MongoDB, Service Management, Infrastructure Architecture
★ 4.7 (49) · Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Interactive Data Visualization, Plot (Graphics), R (Software), Hypertext Markup Language (HTML), Software Installation, Package and Software Management, R Programming, Integrated Development Environments, Cloud Development
★ 4.6 (146) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Penetration Testing, Vulnerability Assessments, Network Protocols, Network Analysis, Network Monitoring, Image Analysis, Virtual Machines, Virtualization and Virtual Machines, Virtual Environment, Open Source Technology, Command-Line Interface, Software Installation, Linux, Microsoft Windows
★ 4.6 (14) · Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Java Platform Enterprise Edition (J2EE), Application Deployment, Web Applications, Application Servers, Java, Web Servers, Java Programming, Web Development, Server Side
★ 4.6 (80) · Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Medical Billing and Coding, Denial Management, Patient Registration, Revenue Cycle Management, ICD Coding (ICD-9/ICD-10), Claims Processing, Payment Processing and Collection, Registration, CPT Coding, Medical Billing, Medical Coding, Billing, Insurance, Insurance Policies, Revenue Management
★ 4.8 (96) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Real-Time Operating Systems, Embedded Systems, Embedded Software, System Programming, System Design and Implementation, Software Design, OS Process Management, Linux, Systems Analysis, Test Tools, Theoretical Computer Science, Verification And Validation, Algorithms
★ 4.3 (20) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Music Performance, Musical Composition, Music Theory, Instrumental Music, Music
★ 4.7 (56) · 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
★ 4.9 (11) · Intermediate · Course · 1 - 3 Months

University of London
Skills you'll gain: Virtual Reality, Unity Engine, Augmented and Virtual Reality (AR/VR), Virtual Environment, Visualization (Computer Graphics), Animations, Non-Verbal Communication, Interaction Design, Human Computer Interaction, Psychology, Interpersonal Communications, Agentic systems
★ 4.4 (86) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Merchandising, Inventory Management, Inventory Control, Merchandise Displays, Retail Management, Consumer Behaviour, Visual Merchandising, Retail Store Operations, Retail Sales, Marketing Psychology, Customer Analysis, Customer Engagement, Analysis, Design
★ 4.6 (73) · Intermediate · Course · 1 - 4 Weeks