Linux Foundation study guides¶
Guides are grouped by editorial learning level, then sorted naturally by exam code. These levels are wayfinding aids, not vendor-issued designations. The collections section offers a second, overlapping view based on what you want to learn.
Beginner and foundational¶
Start here for foundational vocabulary, concepts, and low-prerequisite certifications.
LFCA
Linux Foundation Certified IT Associate
Official objectives checked 2026-10-29
Intermediate, associate, and specialty¶
Role-based and specialty guides that assume practical product or platform experience.
CKA
Certified Kubernetes Administrator
Official objectives checked 2026-10-28
CKAD
Certified Kubernetes Application Developer
Official objectives checked 2026-10-28
LFCS
Linux Foundation Certified System Administrator
Official objectives checked 2026-10-29
Expert and professional¶
Advanced architecture, leadership, and professional certifications for experienced practitioners.
CKS
Certified Kubernetes Security Specialist
Official objectives checked 2026-10-28