Tutorials

In this tutorial, we are going to learn how to use grep command in Linux. We use grep command to search within files or output of text. Grep command can also be combined with other commands with the use of the pipe “|” operator. The grep command in Linux can be used to search a

In this tutorial, we will learn how to use the echo command in Linux. You might have heard an echo in science where it is considered as repeated sound. Here, it is totally different. Don’t mess Linux commands with science’s terminologies. Folks don’t get confused with this. The echo command in Linux is one of

The time command in Linux is used to determine how long a given command will take to run. We use the time command to test the performance of scripts and commands. What’s the Need for the time Command in Linux? If you’re a system administrator working on a Linux system, it is necessary for you

In this tutorial, we’ll be going over the Linux watch command and how we can utilize it in our Linux administration work. Essentially, the watch command is a utility that allows us to continually execute a command at specific intervals and monitor the differences between the outputs. Why could this be useful? For a lot

In this tutorial, we are going to discuss how to change the user password in Linux. The instructions given below can work on any Linux distribution. The passwd command is used to update or change the user’s authentication token. There are two types of users; normal users, and the root user. The normal user can

The Linux which command is used to identify the path of executable files. The path is identified by searching it in the path environment variables. Syntax of Linux which is as follows: What is the PATH variable? PATH is an environment variable in Linux and other Unix-like operating systems that tells the shell which directories