In Linux-type systems, the “hdparm” command tool is used to provide the interface for kernel-supported devices. It is to display the drive disk statistics and set hardware parameters and testing performance. This utility allows the user to perform DMA settings, set hardware parameters like cache settings, acoustic and power management. The operations of the “hdparm” […]

Blank lines are not always desirable, and you might feel the need to leave them out and only remain with the lines that contain text. Linux offers a couple of text manipulation expressions that you can use to omit or remove blank lines. Let’s explore some of the command-line tools you can use to remove […]

Linux comes with different utilities that allow the device to be rebooted, stopped, or turned off by a system administrator. To run commands, one must be a root or group member. The “shutdown” is employed to shut down and restart our system while the Reboot command restarts the system only. The “halt” command stops all […]

In the Linux operating system, tons of command-line tools are used to get user’s details from a database. So, here’s one of the commands, which is called “getent”. The “getent” is a short form of “get entries from the administrative database”. “getent” is a Linux command that allows users to fetch details from several text […]

The “expr” is a Linux command-line utility that evaluates and displays the output of an expression. It calculates integer and string expressions, including regular expressions that fit patterns. It stops the invoking command-line shell from acting on characters “expr” that is supposed to process the source of the majority of the difficulties in writing expressions. […]

In Linux, there is user and groups; users use the system, and groups are logical frameworks for managing a set of users. Users can be categorized into various groups, while groups are a set of multiple users. It isn’t easy to manage the privileges such as security and permission rights among different users. Group command […]

The “dd” command in Linux is used to convert and copy files from one place to another. However, by default, this command is not programmed to show the progress of the ongoing operation. If you are copying large files from one place to another, this can be quite troublesome for you because you want to […]