
Skills you'll gain: Command-Line Interface, Unix Shell, Unix Commands, Unix, Linux, File Management, File Systems, File I/O, Systems Architecture, Computer Architecture
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Command-Line Interface, Scripting, Unix Commands, Computer Programming Tools, Scripting Languages, Data Manipulation, Python Programming
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Unix Shell, Shell Script, Bash (Scripting Language), Unix Commands, Command-Line Interface, Unix, Network Protocols, Network Troubleshooting, Scripting, TCP/IP, Linux, OS Process Management, File Management, Scripting Languages, Linux Commands, General Networking, File Transfer Protocol (FTP), Network Administration, File Systems, Linux Administration
Beginner · Specialization · 3 - 6 Months

Whizlabs
Skills you'll gain: Infrastructure as Code (IaC), IT Automation, Command-Line Interface, Docker (Software), Automation, System Configuration, YAML, Systems Administration, Configuration Management
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Claude Code, Vibe coding, Anthropic Claude, Model Context Protocol, Application Development, Command-Line Interface, Application Design, Programming Principles, Generative AI, Automation, Generative AI Agents, Image Analysis, Artificial Intelligence and Machine Learning (AI/ML), Agentic systems
Intermediate · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: Java, Transaction Processing, File I/O, Java Programming, Data Access, Object Oriented Design, Data Persistence, Stored Procedure, SQL, Integration Testing, Application Development, Command-Line Interface, Application Deployment, Data Integrity, Databases, Programming Principles, Application Programming Interface (API), Secure Coding, System Programming, Mitigation
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Penetration Testing, OSI Models, Exploitation techniques, TCP/IP, Network Protocols, Distributed Denial-Of-Service (DDoS) Attacks, Network Security, Cyber Security Assessment, General Networking, Vulnerability Scanning, Cybersecurity, Web Development, Prompt Engineering, Large Language Modeling, Scripting, Python Programming, SQL, Command-Line Interface, Data Structures
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Linux Administration, File Systems, Linux, File Management, Firewall, Remote Access Systems, Network Troubleshooting, Command-Line Interface, Unix Commands, System Support, Virtual Machines, Scripting
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Metasploit, Exploitation techniques, Penetration Testing, Vulnerability Assessments, Vulnerability Scanning, Linux Commands, Command-Line Interface, Virtual Machines
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Vulnerability Management, Penetration Testing, Vulnerability Assessments, Intrusion Detection and Prevention, Security Testing, Network Security, Threat Management, System Testing, Firewall, Cybersecurity, Cloud Security, Microsoft Azure, Virtual Private Networks (VPN), Virtual Networking, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Git (Version Control System), GitHub, Version Control, Devops Tools, Collaborative Software, Software Configuration Management, Software Development Tools, Unix Shell, Command-Line Interface, Secure Coding
Intermediate · Course · 1 - 3 Months

Skills you'll gain: User Accounts, Operating System Administration, Systems Administration, File Systems, System Monitoring, System Configuration, Performance Tuning, Command-Line Interface, Data Storage
Intermediate · Course · 1 - 3 Months