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VA Kernel
The VA Kernel is a set of programs, developed by the Department of Veterans Affairs of the United States Government, which provide an operating system and MUMPS implementation independent abstraction to the VistA[?] Hospital Information System. These programs (called 'routines' in MUMPS) are the only programs which are expected to not be written in ANSI Standard MUMPS.
The CHCS[?] system and the RPMS[?] system have a Kernel as well, which provides a similar degree of support to those sytems as the VA Kernel does to VistA[?].
The VA Kernel provides abstractions for:
- Menu Management (MenuMan)
- Login and Access Security
- Task scheduling and Batch processing
- Input/Output devices
- Protocol and Event processing
- Date processing and manipulation
- Mathematical and common library functions
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