IBM AIX • Linux • Power Systems

Practical Notes & Production Guides for IBM AIX and Linux

AIXOSQuiz is a practical learning platform for IBM AIX, Linux and IBM Power professionals. Learn through articles, production troubleshooting guides and interactive quizzes—then stay current with live IBM and Enterprise Linux update centers.

Explore Articles Start Quiz
Start Here

Featured Articles & Learning

Production topics first — then validate with quizzes

View all articles
FeaturedUpdated Jul 2026

Understanding Email Architecture in AIX

Follow how AIX handles mail from submission to delivery — sendmail queues, aliases, smart hosts, TLS, SPF and DKIM.

15 min read Updated for AIX 7.3
Read article
Security

AIX OS Hardening

TCB, Trusted Execution, aixpert hardening, and vulnerability assessment for production LPARs.

Read article
VIOS

IBM VIOS Upgrade

Health checks, SEA and vSCSI considerations, mirroring and rollback planning.

Read article
New Series

Linux Fundamentals

10 chapters on core Linux skills — start with the 3 most-read

View Linux series
BEGINNER • CHAPTER 1New Series

Introduction to Linux

Linux architecture, kernel, shell, distributions and core concepts every admin needs.

Read article
CHAPTER 2

Linux File System & Essential Commands

File system hierarchy, pwd/ls/mkdir and path types — most bookmarked chapter.

Read article
CHAPTER 3

Linux Permissions and Ownership

chmod, chown, umask, ACLs, SUID, SGID and Sticky Bit with production examples.

Read article
Explore

What you can do here

Articles & guides, quizzes, tech maps, and live update centers — pick a path

Loading recommendations…