CompTIA · Linux+
For sysadmins working on Linux; proves you can manage systems, security, scripting and containers on any distro.
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Guidance checked 2026-09-06.
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Find introductory Linux, cloud and container courses. Choose topics from your exam outline and check enrolment terms; this directory is not a complete exam course.
Reviewed 2026-09-05. Check the current version and access terms.
Open free resourcePublic tutorial and practical exercises
Public reading · no account needed
Practise navigating files, pipes and basic shell commands on a local Linux machine. This is an introductory refresher; follow your certification’s distribution and objectives for full preparation.
Reviewed 2026-09-05. Check the current version and access terms.
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