Linux, Ubuntu, Debian, Mint, CentOS Tutorials
Linux operating system provides the dmesg command in order to display kernel-related messages. The dmesg command provides a lot of different messages as the kernel is the heart of Linux. The dmesg command provides message-related storage, modules, interrupts, etc. As a low-level tool to provide information, the dmesg command requires root privileges. The sudo command … Read more
Linux provides the tail command in order to read specified files. The default behavior of the tail command is reading the specified files ends with the specified lines. By default, the tail command reads the last 10 lines of the specified files. tail Command Syntax The tail command has the following syntax where generally a … Read more
Linux user authentication is done with the shadow password file. the shadow password file is configured with the login.defs configuration file which is located under the /etc. This file provides configuration like password maximum days, password minimum days, etc. In this tutorial, we will examine the /etc/login.defs configuration file and different configurations. Mail Storage Directory … Read more
The less command is one of the commands which is used to display and read file contents into the terminal in Linux and Unix systems. less command makes it very easy to navigate, search in a file with a keyboard shortcut. less command first created for Unix systems where there is no GUI and every … Read more