Relationship of assembler to operating system

High Level Assembler operates under the z/OS operating system, the CMS component of the z/VM operating system, the z/VSE operating system, and Linux™ for System z™. These operating systems provide the assembler with services for:

In writing a source module, you must include instructions that request any required service functions from the operating system.

z/OS provides the following services:

CMS provides the following services:

z/VSE provides the following services:

Linux for System z provides the following services:


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