Linux

The cmp command is used to compare two files on Linux and Unix. It is mostly useful for scripts, as it only reports whether the files are different or not. It does not report the differences. Likewise, it can also be used to compare non-text files like libraries, images, music, etc. This command should work on

The install command in Linux copies files and sets file attributes. It is not to be used for installing packages. For installing packages on to your Linux system you should use apt command or yum command. In this tutorial, we will learn how to use the install command for copying files and changing file attributes.

The split command in Linux lets you split large files into smaller files. The smaller files by default contain 1000 lines each. However, the split command also gives you the option to customize the number of lines and bytes in each of the smaller files. In this tutorial, we will learn how to use the

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