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The architecture of System/ASM is centered around several key components: the assembler, the linker, and system libraries. The assembler is responsible for translating assembler source code into object code. The linker combines object files and resolves external references to create executable modules.
System libraries provide pre-defined macros and data structures. These components interact through the command-line interface (CLI) and system-level APIs. The assembler processes source code based on HLASM syntax, using directives such as `DS` (Define Storage) and `DC` (Define Constant) to define data and constants.
The linker resolves external references and creates executable modules. System/ASM does not use any specific databases or storage mechanisms beyond the file system for storing source code, object code, and executable modules. Network requirements are minimal, as the assembler primarily operates locally.
Security is delegated to the underlying operating system, which provides authentication, access control, and encryption. Compared to other assemblers, System/ASM offers strong HLASM compatibility and multi-platform support. asm` is used to assemble a program.
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