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When working with log files, it's often crucial to quickly check the most recent entries. The tail command in Unix-like operating systems is a handy tool for this purpose. In this post, we'll look at how to use tail -n 20 notes.log to view the last 20 lines of a log file.

The tail Command

The tail command displays the end of a file. By default, it shows the last 10 lines, but you can customize this number with the -n option.

Using tail -n 20

To see the last 20 lines of a file, you use:

tail -n 20 notes.log