BBC Red Button BBC Red Button BBC Red Button is a branding used for digital interactive television services provided by the BBC, and broadcast in the United Kingdom. The services replaced Ceefax, the BBC's analogue teletext service. The service was launched in September 1999 as BBC Text. It was relaunched in November 2001 under the BBCi brand and operated under this name until late 2008, when it was rebranded as BBC Red Button. The "red button" name refers to the common interface on remote controls for digital televisions and set-top boxes, a red push-button which launches digital teletext services. Although initially marketed as
Network Information Service some functionssuch as the distribution of netmask information to clients, as well as the maintenance of e-mail aliasesmay still be performed by NIS or LDAP. NIS maintains an NFS database information file as well as so called maps. Network Information Service The Network Information Service, or NIS (originally called Yellow Pages or YP), is a client–server directory service protocol for distributing system configuration data such as user and host names between computers on a computer network. Sun Microsystems developed the NIS; the technology is licensed to virtually all other Unix vendors. Because British Telecom PLC owned the name "Yellow Pages"