IBM i Knowledge Center: 7.5
Official Documentation for IBM i 7.5, where you can find information about how to install, maintain, and use the IBM i. 7.5 is the current release, delivered in 2022.
IBM i OpenSSH & OpenSSL
This IBM Support web page is where you can start for more information about IBM i OpenSSH and OpenSSL.
SQL Procedures, Triggers, and Functions on IBM DB2 for i
This IBM Redbook includes several of the announced features for SQL procedures, triggers, and functions in IBM i versions 6.1, 7.1, and 7.2.
Getting Started with Db2 Mirror for i
This IBM Redpaper publication provides a broad overview and understanding of Db2 Mirror for i by covering its architecture, positioning, planning, and implementation aspects.
Who Knew You Could Do That with RPG IV?
This IBM Redbook publication is focused on helping the IBM i development community understand the modern RPG language.