This article will give an overview of I/O redirection in Linux. We will learn what I/O redirection is? Most programs handle its output in two ways: program results and error status. For example, when you type ls command on the terminal, you will get the results right on the screen. In case of an error,

In Linux, how many types of commands? What are the Linux command types? This article, we will learn about it. Currently there are many different operating systems, many different programs, many different programming languages. But in general, the Linux command will fall into one of the following four types. An executable program If you have