Unix System LaboratoriesUnix System Laboratories (USL), sometimes written UNIX System Laboratories to follow relevant trademark guidelines of the time, was an American software laboratory and product development company that existed from 1989 through 1993. At first wholly, and then majority, owned by AT&T, it was responsible for the development and maintenance of one of the main branches of the Unixoperating system, the UNIX System V Release 4 source code product.
NetWareNetWare is a discontinued computer network operating system developed by Novell, Inc. It initially used cooperative multitasking to run various services on a personal computer, using the IPX network protocol. The final update release was version 6.5SP8 in May 2009, and it has since been replaced by Open Enterprise Server.
Novell1980–2014 American multinational software and services companyNovell, Inc. () was an American software and services company headquartered in Provo, Utah, that existed from 1980 until 2014. Its most significant product was the multi-platformnetwork operating system known as NetWare. Novell technology contributed to the emergence of local area networks, which displaced the dominant mainframe computing model and changed computing worldwide.
UnixWareUnixWare is a Unixoperating system. It was originally released by Univel, a jointly owned venture of AT&T's Unix System Laboratories (USL) and Novell. It was then taken over by Novell. Via Santa Cruz Operation (SCO), it went on to Caldera Systems, Caldera International, and The SCO Group before it was sold to UnXis (now Xinuos). After the acquisition of SCO by Caldera, the name was briefly changed to Open UNIX before being reverted to the original name in the next release.
Operating systemAn operating system (OS) is system software that manages computer hardware and software resources, and provides common services for computer programs. Time-sharing operating systems schedule tasks for efficient use of the system and may also include accounting software for cost allocation of processor time, mass storage, peripherals, and other resources.
Roel PieperRoland "Roel" Pieper (born 1956, Vlaardingen, Netherlands) is a Dutch IT-entrepreneur. Early life and educationPieper was born (April 13, 1956) in Vlaardingen, son of an engineer at a car manufacturer. His father died when Pieper was 20, and on his 18th birthday he suffered a motoring accident which destroyed his sporting career as a player of the basketball team. According to Pieper, both of these experiences instilled him with a certain toughness.
UNIX System VUNIX System V (pronounced: "System Five") is one of the first commercial versions of the Unixoperating system. It was originally developed by AT&T and first released in 1983. Four major versions of System V were released, numbered 1, 2, 3, and 4. System V Release 4 (SVR4) was commercially the most successful version, being the result of an effort, marketed as Unix System Unification, which solicited the collaboration of the major Unix vendors.
UnixUnix ( , YOO-niks; trademarked as UNIX) is a family of multitasking, multi-user computer operating systems that derive from the original AT&T Unix, the development of which started in 1969 at the Bell Labs research center by Ken Thompson, Dennis Ritchie, and others.InfoWorldInfoWorld (IW) is an American information technology media business that began as a monthly magazine in 1978, but transitioned to a Web publication in 2007. Having Macworld and PC World as its sister publications, it has been owned by Regent LP since 2025.
AT&T CorporationAT&T Corporation, an abbreviation of its former name, the American Telephone and Telegraph Company, was an American telecommunications company that provided voice, video, data, and Internet telecommunications and professional services to businesses, consumers, and government agencies. During the Bell System, AT&T was at times the world's largest telecommunications company, the world's largest cable television operator, and a regulated monopoly.*As an Amazon Associate I earn from qualifying purchases.