Introduction to VLAN

Virtual local area network (VLAN) is a logical fragmentation of a big network for several reasons. On this article we will discuss about VLAN. Few reasons and uses will be brought up regarding this issue. VLAN is a commonly used…

Introduction to Linux File Permission

On linux operating system, file permission is a very important issue. As a server system different users need t different kind of permission. More over a user may get permission on a single file and at the same time it may also necessary to…

Introduction to File System in Linux

File system is an important issue for any operating system. We can see that every operating system gicves us the freedom of choice to get a file system which will be suitable for the particular use. On linux we can find different 93 types…

Introduction to routing

Routing is one of the most important matters in computer networking. Usually in case of switching and routing both cases we need to apply the routing rules and protocols. But usually routing is handled by routers. Now a day layer 3 switches…

Introduction to switching

Switching is a common issue in computer networking. If we try to define this than we can simply say that based on some criteria if we change the route of the data then we can call it switching. This is one of the very basic things in…

Simple Hello world program using PHP

As we all know this programming language is almost similar to C and C++. The only difference is C and C++ works on any platform and PHP is a server side scripting and works on only servers that can compile PHP on both windows and Linux base…