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 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…

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…

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,…

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…

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.…