Z Os Adcd 1.13 - 13 May 2026

If you're looking for a general feature of z/OS 1.13, here are a few:

Improved Security: z/OS 1.13 includes various security enhancements, such as improved support for Secure Sockets Layer/Transport Layer Security (SSL/TLS) and enhanced password management.
Enhanced Virtualization: z/OS 1.13 provides improved support for virtualization, including the ability to run multiple z/OS instances on a single physical machine.
Increased Performance: z/OS 1.13 includes various performance enhancements, such as improved I/O management and optimized CPU usage.

Legacy Tooling Support

| Tool | Compatibility with ADCD 1.13 | |------|-------------------------------| | ISPF/PDF | Full (native) | | IBM Debug Tool | V13.1 (works) | | Rational Developer for z (RDz) | V9.5 – requires extra PTFs, but possible | | z/OS Explorer | V3.0 works, but not modern Eclipse | | COBOL 4.2 | Yes (default) | | COBOL 5.1 | No (needs z/OS 2.1 minimum) |

4.1 IP Addresses & Hostnames

Dynamic by default (DHCP)
Or static range: 10.1.1.x (varies by ZD&T build)
Hostname typically: MVSA, ADCD1

What is z/OS ADCD?

Before diving into the specifics of Release 13, it is important to understand what ADCD actually is. Z Os Adcd 1.13 - 13

ADCD stands for Application Development Controlled Distribution. It is a package created by IBM specifically for Independent Software Vendors (ISVs) and business partners. The goal is to provide a complete, pre-configured z/OS environment so developers can write, test, and certify their applications on the mainframe platform without needing a full production system.

Unlike standard z/OS installations, which require complex manual configuration of subsystems like CICS, DB2, and IMS, an ADCD package comes "baked" with these components ready to run. It is essentially a "z/OS in a box," making it the go-to choice for non-production environments. If you're looking for a general feature of z/OS 1

3. System Requirements (ZD&T)

When deployed under ZD&T (z/PDT or zD&T Lite):

| Resource | Minimum | Recommended | |----------|---------|--------------| | CPs | 2 | 4 | | Memory (central) | 8 GB | 16–32 GB | | DASD | 120 GB (compressed) | 200 GB | | Network | virtio-net or real OSA | 1 Gbps | Improved Security : z/OS 1

Supported hypervisors:

Linux KVM (primary)
VMware ESXi (via ZD&T appliance)
Native z/VM (for mainframe users)

2.2 Middleware & Subsystems

| Product | Typical Version | |---------|----------------| | CICS TS | V5.4 or V5.5 | | IMS | 15.1 | | Db2 for z/OS | 12 (function level 500+) | | MQ for z/OS | V9.1 | | WebSphere Application Server | Liberty (traditional optional) | | z/OS Connect | V3.0 |