Linux on IBM Z Linux on IBM Z or Linux on z Systems is the collective term for the Linux operating system compiled to run on IBM mainframes, especially IBM Z / IBM z Systems
IBM Zthe official family was changed to IBM Z from IBM z Systems; the IBM Z family now includes the newest model, the IBM z16, as well as the z15, the z14,
Z/OSz /OS is a 64-bit operating system for IBM z /Architecture mainframes, introduced by IBM in October 2000. It derives from and is the successor to OS/390
Z/VMz /VM runs on IBM's IBM Z family of computers. It can be used to support large numbers (thousands) of Linux virtual machines. (See Linux on IBM Z .) On
IBM Db2unified Db2 with a mostly common code base for Linux , Unix and Windows. DB2 for System z and DB2 for IBM i, however, remained independent implementations