NETWORK Loadable Modules [NLM] : These are the programs which are used to improve performance of the n/w. These modules are loaded at the time of installation of Netware O/S. NLM are classified into following :

1. LAN Driver : It is NIC & related proxy for installation of NIC. It makes communication between w/s & other peripherals available on the n/w. e.g. Ethernet, Arch net, Token Ring
2. DISK Driver : It controls communication between HDD (File Server or Database Server) & other peripherals of the n/w.
3. Management Utilities & System Application Program : Utilities are the program which are executed whenever particular Netware Command is not applicable. These utilities are Syscon, Session, Filler, Pconsole.
4. Name Spacing Module : These are the program which allow the user to assign different names for files & folders under Non-DOS environment.
5. Netware Command Files : These are 2 Netware COMMANDS files which play an important role during execution of Netware. These files are AUTOEXEC.ncf & startup.ncf. Autoexec.ncf is used for configuration of the n/w. Startup.ncf is used for checking connectivity with the IPX. These files are used as batch files i.e. autoexec is executes first & then startup.

Network Loadable Modules [NLM] : These are the programs which are used to improve performance of the n/w. These modules are loaded at the time of installation of Netware O/S. NLM are classified into following :