Linux Bash Input, Output and Redirect

Linux Bash have different ways to run command and get output of the command or redirect the output. In this tutorial we will look different...

Linux Sort Command With Examples

Linux provides a lot of useful tools for system administrators. These tools gives the administrator a developer power so the administrator can easily change, modify,...

Html Text Input Allow Only Numeric Input

Applications expecting numeric values for the input is generally a pain for developers. Because we have to check given values whether they are number or...

How Prompt for Input in Bash

Bash is a shell for Linux and Unix operating systems. But bash also provides some basic programming environment acting like a Programming language. System administrators...