LAN Manager was a Network Operating System (NOS) available from multiple vendors and developed by Microsoft in cooperation with 3Com Corporation.
manager | manager (baseball) | general manager | Manager (association football) | Football Manager | LAN | Manager (football) | Wireless LAN | Player Manager | general manager (baseball) | General Manager | Manager (professional wrestling) | LAN Airlines | football manager | window manager | Championship Manager | Mike Bassett: England Manager | Manager (baseball) | Manager | Lan Xang | IBM Rational Quality Manager | General manager (American football) | Talent manager | Graphical Environment Manager | Graham Taylor (football manager) | General manager (baseball) | General manager | Championship Manager: Season 01/02 | Brian Kerr (football manager) | Alan Smith (manager) |
Microsoft and 3Com worked together to create a simple network operating system which formed the base of 3Com's 3+Share, Microsoft's LAN Manager and IBM's LAN Server - but none of these were particularly successful.