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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 […]
Keeping accurate date and time on a Linux system is essential because many services such as cron jobs and scripts rely on accurate time to function as expected. The Network Time Protocol, abbreviated as NTP, is a protocol that maintains accurate time on a Linux system. It is an internet protocol that plays a role […]
One of the most reliable ways to protect your documents and their content from any alterations is using a digital signature. It is a mathematical technique used to validate the authenticity and integrity of a document. In other words, a digital signature creates a virtual fingerprint that is unique to a person and is used […]
The beauty of Linux-like systems is that it provides multiple command-line tools for a single operation. Whether you want to download software/packages or fetch any information from hardware/disk drives of the system, you will get several ways according to your needs while using Linux. A command-line utility “lscpu” in Linux is used to get CPU […]
The beauty of Linux-like systems is that it provides multiple command-line tools for a single operation. Whether you want to download software/packages or fetch any information from hardware/disk drives of the system, you will get several ways according to your needs while using Linux. A command-line utility “lscpu” in Linux is used to get CPU […]
In Linux, the “whatis” command is used to offer a one-line overview of command, option, or a flag. Each manual section in Linux contains some definitions. This command looks for the manual and displays the description of the given keyword. Syntax: The syntax of the “whatis” command is: Whatis [ keyword ] How to use […]
The date command depicts the date and time of the system. It permits the user to get both date and time in different formats. This command also helps in calculate current, past, and future dates with the help of different operators and format specifiers. For functionalities to be performed, the system clock and clock of […]