Skills you'll gain: Unix Commands, Command-Line Interface, Unix, Bash (Scripting Language), File Management, Linux Commands, Productivity, Computer Programming
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Package and Software Management, Linux Administration, Linux, User Accounts, Command-Line Interface, Operating System Administration, Open Source Technology, Disaster Recovery, Red Hat Enterprise Linux, System Monitoring, Unix Commands, System Configuration, Systems Administration, Linux Commands, Security Controls, Firewall, File Management
Mixed · Course · 1 - 3 Months

Skills you'll gain: Debugging, Data Validation, Business Logic, Programming Principles, Verification And Validation
Intermediate · Course · 1 - 4 Weeks

The Linux Foundation
Skills you'll gain: Bash (Scripting Language), File Systems, Package and Software Management, Linux, Command-Line Interface, Unix Commands, Linux Commands, Shell Script, Scripting, Software Development Tools, File Management, Scripting Languages, Program Development, System Programming, Java, Debugging
Beginner · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Scripting, Object Oriented Programming (OOP), Data Structures, Scripting Languages, Python Programming, Maintainability, Programming Principles, Development Environment, Software Installation, Virtual Environment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unix Commands, Unix, Unix Shell, File I/O, User Accounts, Linux, Operating System Administration, Command-Line Interface, Operating Systems, File Systems, Systems Administration, File Management, System Configuration
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Linux Commands, Package and Software Management, File Management, Command-Line Interface, Unix Commands, Ubuntu, Linux Administration, System Monitoring, Linux Servers, Remote Access Systems, Unix Shell, User Accounts, OS Process Management, General Networking, IT Automation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cyber Operations, Threat Management, Threat Detection, Cybersecurity, Scripting, Python Programming, Encryption, Network Protocols
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Bash (Scripting Language), Shell Script, Linux Commands, Command-Line Interface, Linux, Scripting, File I/O
Intermediate · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unix, Unix Commands, Network Protocols, Network Troubleshooting, TCP/IP, OS Process Management, File Management, General Networking, File Transfer Protocol (FTP), Network Administration, Linux, Operating Systems, Network Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unix Commands, Unix, Unix Shell, Remote Access Systems, Scripting, Systems Administration, Operating System Administration, Command-Line Interface, IT Automation, Linux, User Accounts, File Management, File Systems, Role-Based Access Control (RBAC), File Transfer Protocol (FTP)
Intermediate · Course · 1 - 4 Weeks