VistA System Components

A VistA system is made up of the following components:

Code written in the M Language, implemented by GT.M or Cache.
Information stored in a M Database.
Information stored in a VA FileMan File.
FileMan-level control instructions in Templates:
- Input Templates for entering or editing data stored in VA FileMan Files.
- Search Templates for condition based or criteria based search
- Sort Templates for sorting and grouping fields when output of information
- Print Templates for printing and presenting fields
- Export Templates for exporting values of fields to other programming systems.
Code running in the Host Operating System, such as Microsoft Windows or Linux.
- example languages: Microsoft Windows Script Host scripts, bash shell scripts, tcsh shell scripts,
- example uses:
Information stored in files in the filesystem of the Host Operating System.
- simple ASCII text files
- Comma Separated Values (CSV) files for import into Microsoft Excel, Microsoft Access, or Open Office applications.

Navigation menu