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IBM LAN Server
Developer	IBM
OS family	OS/2
Working state	Discontinued
Source model	Closed source
Initial release	1988; 36 years ago
Final release	5.1 / 1999; 25 years ago
Marketing target	Local area networks
License	Proprietary
Preceded by	IBM PC LAN Program

IBM LAN Server is a discontinued network operating system introduced by International Business Machines (IBM) in 1988. LAN Server started as a close cousin of Microsoft's LAN Manager and first shipped in early 1988. It was originally designed to run on top of Operating System/2 (OS/2) Extended Edition.^[1] The network client was called IBM LAN Requester and was included with OS/2 EE 1.1 by default.^[2] (Eventually IBM shipped other clients and supported yet more. Examples include the IBM OS/2 File/Print Client, IBM OS/2 Peer, and client software for Microsoft Windows.^[3]) Here the short term LAN Server refers to the IBM OS/2 LAN Server product. There were also LAN Server products for other operating systems, notably AIX^[4]—now called Fast Connect^[5]—and OS/400.^[6]

Version history

Version no.	Year	Notes
1.0	1988	for OS/2 EE 1.0^[1]
1.2	1990	for OS/2 EE 1.2^[7]
1.3	1991	for OS/2 EE 1.3^[8]
2.0	1992	related to LAN Manager 2.0^[9]
3.0	1993	Entry and Advanced versions^[10] (no LAN Manager "cousin" from here on^[11]^[12])
4.0	1994	Entry and Advanced versions, new object-oriented user interface^[13]
5.0	1996	included in OS/2 Warp Server^[14]
5.1	1999	included in OS/2 Warp Server for e-business^[15]

Predecessors included IBM PC LAN Program (PCLP).^[16] Variants included LAN Server Ultimedia (optimized for network delivery of multimedia files) and LAN On-Demand.^[17]^[18] Add-ons included Directory and Security Server,^[19] Print Services Facility/2 (later known as Advanced Printing),^[20] Novell NetWare for OS/2,^[21] and LAN Server for Macintosh.^[22]

Innovations

LAN Server pioneered certain file and print sharing concepts such as domains (and domain controllers), networked COM ports, domain aliases, and automatic printer driver selection and installation.^{[citation needed]}

References

^ ^a ^b Doyle, Lee (January 6, 1988). "The LAN Server dilemma". Computerworld. 22 (1). IDG Publications: 33 – via ProQuest.
^ Staff writer (November 10, 1987). "IBM announces ship dates for its standard, extended OS/2 editions". PC Week. 4 (45). Ziff-Davis: 16 – via Gale.
^ Minasi, Mark; Jim Blaney; Chris Brenton (1999). The Complete Network Upgrade & Maintenance Guide. Sybex. p. 620. ISBN 9780782122596 – via Google Books.
^ Burns, Christine (January 17, 1994). "NCR, IBM to team on LAN Server for AIX". Network World. 11 (3). IDG Publications: L1, L10 – via Google Books.
^ Staff writer (March 28, 1999). "IBM Tweaks AIX for Better PC Interoperability, Security". Computer Business Review. New Statesman Media Group. Archived from the original on November 11, 2022.
^ Soltis, Frank G. (2001). Fortress Rochester: The Inside Story of the IBM i Series. NEWS/400 Books. p. 266. ISBN 9781583040836 – via Google Books.
^ Morrissey, Jane; David Strom (March 19, 1990). "IBM OS/2 upgrades reach starting gate". PC Week. 7 (11). Ziff-Davis: 1 – via Gale.
^ Morrissey, Jane (February 18, 1991). "Comprehensive pact to boost NetWare on multiple platforms: IBM, Novell pledge to fortify networking bonds". PC Week. 8 (7). Ziff-Davis: 1 – via Gale. IBM pledged that OS/2 LAN Server will remain a strategic offering, announcing that version 1.3 was shipped ahead of schedule last week. They also pledged to fully support both LAN Server and NetWare equally.
^ Krohn, Nico (June 15, 1992). "OS/2 gets network muscle: directory services, peer features set for LAN Server". PC Week. 9 (24). Ziff-Davis: 1 – via Gale.
^ Krohn, Nico (August 31, 1992). "LAN Server 3.0 in beta; peer services included". PC Week. 9 (35). Ziff-Davis: 1 – via Gale.
^ Smalley, Eric (August 2, 1993). "IBM puts new muscle behind OS/2 LAN Server". PC Week. 10 (30). Ziff-Davis: 45 – via Gale.
^ Capen, Tracey (January 10, 1994). "NOS". InfoWorld. 16 (2). IDG Publications: 60 – via Gale.
^ Petreley, Nicholas (August 22, 1994). "IBM cleans up LAN Server's act". InfoWorld. 16 (34). IDG Publications: 1 – via Gale. IBM's LAN Server 4.0 network operating system, which will be out in Oct[ober] 1994, adds object-oriented administration tools and peer-to-peer services ...
^ Green, Terence (February 7, 1996). "IBM cooks up an efficient NOS". PC User (276). EMAP Media: 44 – via Gale.
^ "OS/2 Warp Server for e-business Performance Tuning". eCSoft/2. June 27, 2017. Archived from the original on October 24, 2020.
^ Nance, Barry (1994). Client/Server LAN Programming. Que. p. 40. ISBN 9781565299245 – via Google Books.
^ Polilli, Steve (February 7, 1994). "IBM, integrator offer networks ready to plug in". InfoWorld. 16 (6). IDG Publications: 44 – via Google Books.
^ Staff writer (December 13, 1993). "IBM launches LAN Server Ultimedia". PC Week. 10 (49). Ziff-Davis: 56 – via Gale.
^ Zelinka, Douglas A. (February 19, 1996). "Directory and Security Server scales Warp Server to the enterprise". InfoWorld. 18 (8). IDG Publications: 101 – via Google Books.
^ "IBM Announcement Letter No. ZP95-0253". International Business Machines Corporation. May 3, 1995. Archived from the original on November 11, 2022.
^ Cummings, Joanne (October 28, 1991). "Novell sharing IBM vision". Network World. 8 (43). IDG Publications: 58 – via Google Books.
^ Wilson, Jayne (December 7, 1992). "IBM moves its LAN Server to the Macintosh". InfoWorld. 14 (49). IDG Publications: 51 – via Gale.