service Required for SET SERVICE; optional for SET NOSERVICE. Service you want to modify or enter into the services database. To specify a lowercase or mixed-case service name, enclose it in quotation marks. Service names are limited to 16 characters. Use only the following characters in a service name: o Uppercase and lowercase alphabetic characters o Numerals o Dollar sign ($) o Underscore (_) Do not define a service name equivalent to one of the TCP/IP Services for OpenVMS components (for example, do not define a service name BIND or TCPIP$BIND, or FTP). In addition, the service name CUSTOMER_SERVICE is reserved by HP.