Enterprise - class environments typically select .
Enterprise - class environments typically use OpenVMS for various purposes including mail servers , network services , manufacturing or transportation control and monitoring , critical applications and databases , and particularly environments where system uptime and data access is critical .
Enterprise - class environments typically select and use OpenVMS for various purposes including mail servers , network services , manufacturing or transportation control and monitoring , critical applications and databases , and particularly environments where system uptime and data access is critical .