What are the common commands and syntax used in C for VM/ESA?

Common commands include `cc` for compilation, `link` for linking object files, and utilities for debugging. The syntax follows standard C compiler conventions, such as `cc myprogram.c -o myprogram` to compile and create an executable.

What libraries and configuration files are used?

C for VM/ESA uses standard C libraries for input/output, string manipulation, and other common functions. It also provides z/VM-specific libraries for interacting with the operating system. Configuration is typically managed through compiler options and linker scripts.

What is the typical compilation and linking process?

The compiler generates object code, which is then linked with libraries to create an executable. Debugging tools, such as debuggers, are available to help identify and fix errors in the code.

What types of APIs does C for VM/ESA expose?

While specific API details are not available due to the product's status, C for VM/ESA would have exposed APIs through standard C library functions and z/VM-specific system calls. These would have been accessed directly from C code.

What business value did C for VM/ESA provide?

C for VM/ESA enabled developers to create system-level applications and utilities, enhancing the capabilities of the z/VM platform. It provided a means to write efficient code that could interact directly with the operating system.

How did C for VM/ESA improve developer productivity?

By allowing developers to write in C, C for VM/ESA facilitated the creation of portable code, although the z/VM-specific libraries would have limited portability. This reduced the effort required to develop and maintain software.

How did C for VM/ESA contribute to system performance?

C for VM/ESA supported the development of applications that could manage system resources and perform tasks efficiently. This was crucial for optimizing the performance of z/VM systems.

How did C for VM/ESA support application integration?

The availability of a C compiler on z/VM allowed for the development of a wider range of applications, including those that could integrate with other systems and technologies.

What security features did C for VM/ESA offer?

Specific security features are not detailed due to the product's status. However, C for VM/ESA would have relied on the underlying z/VM security features, such as access controls and authentication mechanisms, to protect compiled applications.

What encryption capabilities were available?

C for VM/ESA itself did not provide encryption. The applications developed using it would have needed to implement encryption using standard C libraries or z/VM-specific security features, if required.

What audit/logging capabilities were available?

Audit logging would have been handled by the z/VM operating system. Applications compiled with C for VM/ESA would have been able to leverage z/VM's auditing capabilities to log security-related events.

How were applications developed with C for VM/ESA operated?

Due to the product's status, specific operational details are limited. However, the operation of applications compiled with C for VM/ESA would have been managed through the z/VM operating system, including starting, stopping, and monitoring processes.

What monitoring capabilities were available?

Monitoring would have been performed using z/VM's monitoring tools. These tools would have provided information on resource usage, performance metrics, and other operational data for applications compiled with C for VM/ESA.

What logging capabilities were available?

Logging would have been handled through z/VM's logging facilities. Applications could have written log messages using standard C library functions, and these logs would have been managed by the z/VM system.

How was user management handled?

User management would have been handled through the z/VM operating system. C for VM/ESA itself did not have user management capabilities; it relied on the underlying z/VM user accounts and access controls.

Are You a Vendor? Claim Your Listing

Take control of your product listings. Add verified information, showcase updates, and unlock a Claimed Vendor badge across the directory.

Claim Your Listing Now

C for VM/ESA

IBM Not Supported z/VM

Programming Language

Vendor

IBM

Product Overview

The architecture of C for VM/ESA comprised several key components. The preprocessor handled macro expansion and conditional compilation. The compiler translated C source code into assembly code.

The assembler converted assembly code into object code. The linker combined object files and libraries to create an executable. These components communicated through intermediate files and system calls.

The compiler used standard C libraries for input/output, string manipulation, and other common functions. It also provided z/VM-specific libraries for interacting with the operating system. Configuration was managed through compiler options and linker scripts.

The security of applications compiled with C for VM/ESA depended on the security practices implemented in the code itself and the security configurations of the z/VM environment. This product is not supported. The recommended alternative is C/C++ for z/VM, which offers improved performance and better integration with the z/VM environment.

Frequently Asked Questions

What is C for VM/ESA?

C for VM/ESA is a compiler for the C programming language designed for the z/VM operating system. It allows developers to write and compile C code to run on z/VM.

What programming language features does C for VM/ESA support?

C for VM/ESA supports the standard C language, enabling developers to use familiar syntax and features. It provides tools for compiling, linking, and debugging C programs within the z/VM environment.

What are the primary use cases for C for VM/ESA?

The primary use case is developing system-level applications and utilities for the z/VM platform. It is suitable for tasks requiring direct interaction with the operating system and hardware resources.

How does C for VM/ESA work?

C for VM/ESA is a compiler, so it translates C source code into machine code that the z/VM system can execute. It includes a preprocessor, compiler, assembler, and linker to manage the build process.

Help Improve This Directory

Notice outdated information? Have insights about this product? Help the mainframe community stay informed with accurate, current data.

Report Issue Suggest Product Share Event

Share Your Product Experience

Help the community by sharing your experience with mainframe products. Your insights help others make informed decisions.

Share Your Experience