Dartmouth College
Skills you'll gain: Command-Line Interface, C (Programming Language), Linux Commands, Linux, Embedded Systems, File I/O, Embedded Software, Software Visualization, Programming Principles, Computer Engineering, Linux Servers, File Systems, System Programming, Algorithms, Computer Architecture, Computer Programming, Software Documentation, Computer Science, Software Engineering, Debugging
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Command-Line Interface, C# (Programming Language), .NET Framework, Performance Tuning, Microsoft Visual Studio, Application Design, Application Programming Interface (API), Software Development Tools, File I/O, Application Security, Unit Testing, Debugging, Git (Version Control System)
Beginner · Course · 3 - 6 Months

Skills you'll gain: Bash (Scripting Language), Shell Script, Linux, Scripting, Linux Commands, Linux Administration, Unix Shell, Operating System Administration, Data Persistence, Unix Commands, Systems Administration, Command-Line Interface, IT Automation, Unix, Cloud Hosting, Object-Relational Mapping, YAML, Python Programming, File Transfer Protocol (FTP), Automation
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Command-Line Interface, File Management, Unix Commands, File Systems, Linux Commands
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Bash (Scripting Language), Shell Script, Unix, System Monitoring
Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Windows PowerShell, Scripting, IT Automation, Command-Line Interface, System Configuration, File Management, Software Installation, Development Environment, Integrated Development Environments, Data Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Bash (Scripting Language), Shell Script, Unix Shell, Scripting, Linux Commands, Windows PowerShell, Linux, IT Automation, Unix Commands, Unix, Debugging, Automation, Remote Access Systems, Development Environment, System Monitoring, Restful API
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Unix Commands, Unix Shell, Unix, Shell Script, Bash (Scripting Language), Linux Commands, Command-Line Interface, Linux, Scripting, Scripting Languages, Data Pipelines
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Linux Administration, Version Control, Linux, Git (Version Control System), Linux Commands, Network Troubleshooting, Operating System Administration, Bash (Scripting Language), Systems Administration, Scripting, Shell Script, User Accounts, System Configuration, Unix Shell, Network Administration, Network Performance Management, Hardware Troubleshooting, File Management, Unix Commands, General Networking
Intermediate · Course · 1 - 3 Months

Codio
Skills you'll gain: User Accounts, Unix Commands, Unix, Command-Line Interface, OS Process Management, File Systems, Linux, Ubuntu, Linux Commands, Operating Systems, Systems Administration, Shell Script, File Management
Beginner · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Unix Shell, Shell Script, Bash (Scripting Language), Unix Commands, Unix, Scripting, Scripting Languages, Linux Commands, Command-Line Interface, Linux, File I/O, File Systems, Programming Principles, File Management
Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Rust (Programming Language), Serverless Computing, Command-Line Interface, Maintainability, Amazon Web Services, Linux Commands, Application Deployment, Software Development Tools, Program Development, System Programming, Python Programming, Performance Tuning, Debugging, Software Testing
Intermediate · Course · 1 - 4 Weeks