Hands-On Labs put you in a working Linux or Windows terminal and let you run real commands to complete real tasks — query DNS, check services, fix what’s broken. No multiple choice, no watching a video. You type the commands, hit the objective, and verify your work — all in a safe, simulated environment.
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The difference between knowing a command exists and being able to use it.
Type real commands into a working Bash or PowerShell shell and watch them run against a live environment. This is the hands-on skill exams describe — and employers actually hire for.
Practice on a Linux Bash terminal or a Windows PowerShell terminal — switch to match what you’re studying, or where you work.
Start in Guided mode with step-by-step help, move to Standard with hints only, then prove yourself in a timed Expert challenge with no hand-holding.
Choose your path
Pick how you want to practice. Learn new commands in a Practice Lab with hints and explanations, test yourself in a no-hand-holding Challenge Lab, or take on a Multi-Stage Mission that walks the full real-world troubleshooting arc.
Your environment, your rules
Set up your lab in two taps. Choose your operating system — a Linux Bash terminal or a Windows PowerShell terminal — and your difficulty, from fully guided to a timed expert run. Every lab is tuned to exactly how you want to practice.
Inside every lab
Each lab is a complete, self-contained challenge — set up, supported, and verified.
Every lab opens with a real task to accomplish — exactly the kind of job you'd be handed on shift.
A working machine — like Ubuntu running BIND9 — responds to your commands for real, so nothing is faked.
Stuck on a command or its output? Get it broken down for you without ever leaving the terminal.
Hit Verify to confirm you actually completed the objective correctly — instant proof you can do it.
Free, no sign-up
14 free labs run in your browser on practice machines: Linux and Windows command line, firewall rules and SOHO router setup.
The hands-on labs made a huge difference for me. I was tired of just reading theory and hoping it would stick. With OpenpassAI, I actually practiced the skills, and that gave me real confidence before exam day.
Pricing
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200 credits · No credit card required
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FAQs
Find quick answers or contact our support team.
You work in a safe, simulated environment that behaves like a real machine — you run genuine Bash or PowerShell commands and see real responses, with zero risk to your own system.
No. Everything runs in your browser — pick Linux or Windows and start typing immediately.
Use Guided mode for step-by-step help, or tap Explain any time to have a command or its output broken down for you.
A lab puts you in a working Linux or Windows terminal to complete a task from start to finish. Performance-based questions are shorter, exam-style tasks: drag-and-drop, command-line tasks at a Cisco, Linux or Windows prompt, and network topology exercises. OpenpassAI includes both.
Yes — labs span 40+ vendors including CompTIA, AWS, Cisco, Google Cloud, Microsoft and ISC2, mapped to hands-on exam objectives.
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