What are the most common commands used in SAS/C?

Common commands include `cc` for compiling, `link` for linking, and `run` for executing programs. The `cc` command compiles C source code into object code. The `link` command combines object files and libraries to create an executable. The `run` command executes the compiled program.

What is the basic syntax for compiling, linking, and running a C program in SAS/C?

The basic syntax for compiling a C source file is `cc myprogram.c`. To link the compiled object file, use `link myprogram.o -o myprogram`. To run the executable, use `./myprogram`.

What configuration files or interfaces are used by SAS/C?

SAS/C uses configuration files to specify compiler options, include paths, and library locations. These files are typically text-based and can be customized to suit project-specific requirements. The compiler also uses environment variables to locate include files and libraries.

What APIs are available for interacting with the operating system?

SAS/C provides access to system services through standard C library functions and system-specific APIs. These APIs allow developers to interact with the operating system, manage resources, and perform other system-level tasks. The specific APIs available depend on the target mainframe platform.

How does SAS/C provide business value?

SAS/C enables organizations to develop and maintain critical applications on IBM mainframe systems. It allows for the modernization of legacy applications by porting them to the mainframe or developing new applications that leverage the mainframe's reliability and scalability.

How does SAS/C contribute to application performance?

SAS/C facilitates the development of high-performance applications by providing a robust C compiler and runtime environment optimized for the mainframe architecture. This leads to efficient resource utilization and improved application performance.

How does SAS/C support integration with other systems?

SAS/C supports the development of applications that can integrate with other mainframe systems and applications. This allows organizations to build interconnected systems and share data across different platforms.

How does SAS/C help organizations leverage their mainframe infrastructure?

SAS/C helps organizations leverage their existing mainframe infrastructure by enabling them to develop and deploy applications that run on these systems. This reduces the need for costly hardware upgrades and allows organizations to maximize their investment in mainframe technology.

What authentication methods are supported?

SAS/C does not have built-in authentication methods. Security is typically handled at the operating system level on the mainframe. This includes user authentication through security systems like RACF or equivalent.

What access control model is used?

Access control is managed through the mainframe operating system's security features. This typically involves role-based access control (RBAC) or access control lists (ACLs) managed by the underlying security system.

What encryption is used and where?

SAS/C itself does not provide encryption. Encryption is typically handled by the operating system or through libraries that provide cryptographic functions. Data encryption can be implemented using system-level security features or third-party cryptographic libraries.

What audit/logging capabilities exist?

SAS/C relies on the mainframe operating system's auditing and logging capabilities. System events, including program execution and resource access, are logged by the operating system's security features. These logs can be used for security audits.

What administrative interfaces are available?

SAS/C does not have a dedicated administrative interface. Administration is performed through the mainframe operating system's tools and utilities. This includes managing user accounts, system resources, and security settings.

How is user management handled?

User management is handled by the mainframe operating system's security features, such as RACF or equivalent. Administrators use these tools to create, modify, and delete user accounts and assign permissions.

What are the main configuration parameters?

Configuration parameters are typically set through the mainframe operating system's configuration files and system settings. These parameters control various aspects of the system, including resource allocation, security settings, and network configurations.

What monitoring/logging capabilities exist?

Monitoring and logging are provided by the mainframe operating system's tools and utilities. These tools collect system performance data, track resource usage, and generate logs that can be used for troubleshooting and performance analysis.

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SAS/C

SAS Institute Supported z/OS, z/VM, zVSE/VSEn

Programming Language

Vendor

SAS Institute

Product Overview

The SAS/C architecture comprises several key components: the compiler (`cc`), the linker (`link`), and the runtime libraries. The compiler translates C source code into object code, which is then linked with libraries to create an executable. The runtime libraries provide essential functions for program execution.

The compiler uses configuration files to specify compiler options, include paths, and library locations. The linker combines object files and libraries to create the final executable. The runtime environment provides support for memory management, input/output operations, and other essential services.

SAS/C does not have a dedicated API for external integration. Instead, it relies on standard C library functions and system-specific APIs to interact with the operating system and other system resources. Security is integrated with the mainframe's security features, such as RACF, for authentication and access control.

The compiler generates object code that is compatible with the target mainframe platform. Compared to other mainframe compilers, SAS/C offers a robust C implementation optimized for the IBM mainframe architecture. The primary storage mechanism is the mainframe's file system.

Network requirements depend on the application's needs, but SAS/C itself does not have specific port requirements. The administrative interface is provided by the mainframe operating system's tools and utilities. Monitoring and logging are provided by the mainframe operating system's tools.

Frequently Asked Questions

What is SAS/C?

SAS/C is a C compiler and runtime library designed for mainframe environments. It allows developers to write and compile C code for execution on z/OS, z/VM, and zVSE/VSEn systems. It provides a standard C language implementation with extensions for the IBM mainframe architecture.

What is the history of SAS/C?

SAS/C was originally developed to rewrite the SAS software product in a language portable to multiple operating systems. It was first released in 1985 as the Lattice Native Compiler as Modified by SAS Institute Inc. for IBM 370 Systems. Later, it was renamed to SAS/C.

What are the primary use cases for SAS/C?

SAS/C is primarily used for developing system-level software, applications, and utilities that run on IBM mainframe systems. It is often used for porting applications to the mainframe or for developing new applications that leverage the mainframe's capabilities.

What C language features does SAS/C support?

SAS/C supports the standard C language, including data types, control structures, and functions. It also provides extensions for mainframe-specific features, such as access to system services and hardware resources. The compiler generates object code that can be linked and executed on the target mainframe platform.

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SAS/C

Product Overview

Frequently Asked Questions

What is SAS/C?

What is the history of SAS/C?

What are the primary use cases for SAS/C?

What C language features does SAS/C support?

What are the most common commands used in SAS/C?

What is the basic syntax for compiling, linking, and running a C program in SAS/C?

What configuration files or interfaces are used by SAS/C?

What APIs are available for interacting with the operating system?

How does SAS/C provide business value?

How does SAS/C contribute to application performance?

How does SAS/C support integration with other systems?

How does SAS/C help organizations leverage their mainframe infrastructure?

What authentication methods are supported?

What access control model is used?

What encryption is used and where?

What audit/logging capabilities exist?

What administrative interfaces are available?

How is user management handled?

What are the main configuration parameters?

What monitoring/logging capabilities exist?

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