All About Linux.

The bc command, short for basic calculator, is a language that supports arbitrary precision numbers with interactive execution of statements. Its syntax is similar to that of C programming language. It has two major applications. One as a mathematical scripting language and the second as an interactive mathematical shell. In this tutorial, we will learn how to […]

The iostat command in Linux lets you monitor CPU utilization and I/O (input /output) statistics of all the disks and file systems. Iostat reports are useful for changing system configuration to better balance the input/output load between physical disks. This command is a must-know for Linux system administrators. In this tutorial, we will be learning

The who command in Linux gives you information about the currently active users. In this tutorial, we will learn how to use this command. We will also learn about a list of options available along with the who command. Let’s get started! Running the who command without arguments When you use the who command without

The whereis command helps you to find the source files, binary files, and manuals sections for Linux commands. It locates the desired program in the standard Linux places, and in the places specified by $PATH and $MANPATH. In this tutorial, we will learn how to use the whereis command in Linux. Let’s get started. How

Wall command in Linux lets you broadcast messages across the terminals of currently logged-in users. You can send messages by typing out the message on the terminal or send a text from a file as the broadcast message. In this tutorial, we will learn how to use the wall command for broadcasting messages in Linux.

The script command in Linux makes a typescript of everything on your terminal session. It stores the information in raw form to a log file. Additionally, it also gives you the option to store information about the timing of commands. This is useful in case you want to see the realtime replay of your session.

You can have more than one user on the same Linux system. The finger command in Linux displays information about the users on the system. It is also referred to as the user information lookup program. It is not present on most distributions by default. In this tutorial, we will learn how to install and

The at command in Linux lets you schedule tasks for execution at a later time in the future. These tasks can be execution of commands or running of shell scripts. However, the at command only performs the task once. It can’t be used for performing recurring tasks. In this tutorial, we will learn how to

Linux offers really good text processing and editing tools. One of these tools is the uniq command. The uniq command helps you detect and delete adjacent occurrences of the same line. That means it deals with repetitions of sentences in a piece of text. Using the uniq command in Linux In this tutorial we will

Banner command in Linux displays ASCII character strings in large size on the standard output. This is useful when you want to display a string to be seen when someone logs in using the terminal. The strings are created using the character ‘#’. This will become clear as we demonstrate the command here. This will