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.…

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…

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…

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…