For students and new users who are learning to use Linux, the easiest place to start might be on Ubuntu Linux OS. Ubuntu is an open-source Linux operating system that runs on desktops, laptops, servers, and other devices. About tail command: The tail command on Ubuntu allows users to output the end or ‘tail end of files. By default, it shows the last 10 lines. Like using your mouse and keyboard to read the end of files. the tail is the way to do it on the command line. The tail command can also be used to monitor in real-time content being added to a file, displaying the newest content as it is being added. Syntax: The syntax is the rule and format of how the tail command can be used. the syntax options can be reordered. but a straight format must be followed.,. Below is an example syntax of how to use the tail command. Options: The command line options are switches or flags that determined how the commands are executed or controlled. they modify the behavior of the command. they are separated by spaces and followed after the commands options. Below are some options for the tail command: Examples: Below are some examples of how to run and use the tail on Ubuntu Linux. Run the command below to output the last 10 lines of the Confidential file, without any tail command options. This will just out the last 10 lines of the file called Confidential. When you use the tail command with the -n option, it will display the -n number of lines of the file. For example, to list the last 100 lines of a file, run the commands below. When you run the tail command with the -f option, it will display the last 10 lines of the file and loop forever, displaying any new lines being added to the file. The command above will output the last 10 lines of the Confidential file, and monitors it for updates; the tail then continues to output any new lines that are added to it. The tail command is a great tool to monitor log files and other data you want to monitor in real time. When you run tail with the –help option, you’ll see the help text below: That’s it! Hope you like it and please come back soon for more Ubuntu Linux commands!
