It is a group of devices and computers that can communicate with each other and share resources like printer, storage etc.
Network operating system provide following functions:
Network operating system (NOS)
It is a system software that controls various devices on a computer network and how they communicate with each other these operating systems used in servers.
Network operating system provide following functions:
- File sharing
- Print sharing
- System administration
- Data backup etc.
- Linux
- windows server
- Mac OSX server
Important Terms
Network interface card (NIC)- NIC is a device inside a computer or network device that enables communication with a network
Hardware address/MAC(media access control)- It is a unique address associated with a particular network device
Server- Server is a computer that handles request for data, email, files and other network services from other computers(clients)
LAN(local area network)- It is a computer network that is located in a limited geographical area and it refers to a network that is not publicly accessible.
WAN (wide area network)- It is a computer network located in other geographical areas that means this type of network is more extensive(wide) than a Local Area Network(LAN).
Bandwidth- Bandwidth describes maximum data transfer rate of a network or internet connection it measures how much data sent for a specific connection in given specific time.
e.g. Gigabit Ethernet connection has a bandwidth of 1000 Mbps (Megabits per second)
Operating System- An operating system is a software that manages a computer. Operating system enables computer hardware resources accessible to a consistent set of interfaces and also interacts with users.