TestOut Linux Pro Practice Test 2025 – Complete Exam Prep Guide

Image Description

Question: 1 / 400

What does the command 'tail -f' do?

It deletes the last few lines of a file.

It displays the start of a file.

It displays the end of a file and waits for new lines to be added.

The command 'tail -f' is used in Unix-like operating systems to display the last few lines of a file, usually for log files, and it continues to monitor that file for any new lines that are added. This is particularly useful for real-time observation of log updates or streaming file content, as it allows users to see the most recent entries as they occur without having to repeatedly refresh or re-execute the command.

By using the '-f' (follow) option, 'tail' keeps running and will continue to output new lines as they are written to the end of the file, making it valuable for monitoring logs or updates in real-time. This behavior contrasts with the other options, which do not reflect the intended function of 'tail -f'.

Get further explanation with Examzify DeepDiveBeta

It opens a file for editing.

Next Question

Report this question

Download TestOut Linux Pro Practice Test PDF Study Guide
Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy