Network operating system

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The network operating system (NBS or LSBs, English network operating system , NOS ) has the task of the network users made available resources to manage. This is essentially the management of the mass storage device shared by all users and the control of read / write access to the data. In addition, print jobs from network users are queued and printed one after the other on the shared printer. A server can be set up for printer management and another server can manage online communication with external stations.


The concept of the network operating system was introduced by Novell in 1983 . The best known network operating systems were the products from the Netware family from Novell.


  • Novell
    • Novell NetWare
    • Novell Advanced Netware 286, SFT Netware 286
    • Novell NetWare 386
    • Novell NetWare 4
  • 3Com
    • 3 + share
  • Microsoft Net, XENIX-Net
    • PC-Net (PC LAN program for MS-DOS, developed by Microsoft and IBM and published in 1985)
  • 3Com / Microsoft LAN Manager
    • 3 + Open LAN Manager
    • 1990: MS LAN Manager 2.0 (Entry Level System, Advanced System)
    • 1993: NT LAN Manager (included in Windows NT and Windows 2000)
  • banyan

The network operating system is a collection of system programs that are required to control a network. The network operating system is loaded onto the so-called server and allows users at the connected workstations or clients to exchange messages and data, and to share files and peripheral devices. In general, network operating systems offer security devices which, among other things, ensure that certain files and access rights are preserved and that only authorized persons have access to sensitive data. These access rights are usually regulated via the user profile.

Individual evidence

  1. Otto K. Ferstl, Elmar J. Sinz: Fundamentals of business informatics . Oldenbourg Wissenschaftsverlag, 2006, ISBN 978-3-486-58755-5 , p. XXII ( Google Books ).