By default, it displays the last 10 lines of a file, but you can customize the output according to your needs. Let's dive into the fundamental ... power of the tail command, opening up new ...

SED command in Linux stands for Stream Editor ... SED command will find the variable “num1” and then will enter the new value as “200”. After executing the command, display the file content by typing: ...

The "path" environment variable in Linux ... into the terminal and pressing "Enter." Type your root password and press "Enter" when prompted. Type the following command into the terminal ...