Network & Model of Networking

NETWORK networks

A collection of computing devices that are connected in various ways in order to communicate and share resources usually, the connections between computers in a network are made using physical wires or cables. However, some connections are wireless, using radio waves or infrared signals or microwaves.

We need to know a more detailed and specific answer to the question “What is a network?”

First, consider the following, but general, definition of a network.

A combination of computer hardware, cabling, network devices, and computer software used together to allow computers to communicate with each other.”

The goal of any computer network is to allow multiple computers to communicate. The type of communication can be as varied as the type of conversations.

Model of the Networking

Model means the connectivity of two computers. We have many types of networking models.

1. Client – Server Model (Domain level network)

2. Peer to Peer Model (Workgroup Model) Continue reading

Linux- History & Devlopment


Linux is the best-known and most-used open source  Linux  Based operating system. Linux is a Kernel.

The Linux kernel is a Unix-like computer operating system kernel. It is used world-wide: the Linux operating system is based on it and deployed on both traditional computer systems such as personal computers and servers, usually in the form of Linux distributions,and on various embedded devices such as routers and NAS appliances. The Android operating system for tablet computers, smartphones and smartwatches is also based on the the Linux kernel.

There are  some of the popular mainstream Linux distributions are Debian, Ubuntu,Linux Mint, Fedora, openSUSE, Arch Linux and Gentoo, together with commercial Red Hat Enterprise Linux and SUSE Linux Enterprise Server distributions. Linux distributions include the Linux kernel, supporting utilities and libraries, and usually a large amount of application software to fulfill the distribution’s intended use. Continue reading

System Administration

system_adminSystem Administration

System Administration, The Administration is designed for the IT Professional. There are various category of Administration like,

  • Network Administrator
  • Project Administrator
  • IT Administrator
  • Linux System Administrator
  • Data Base Administrator etc

The person who is responsible for setting up and maintaining the system or server is called as the system administrator. System administrators may be members of an information technology department.

System administration is the field of work in which someone manages one or more systems, software, hardware, servers or workstations.A system administrator, or sysadmin, is a person responsible to maintain and operate a computer system or network for a company or other organization. System administrators are often members of an information technology department.  Its goal is ensuring the systems are running efficiently and effectively. Continue reading