View the last few lines of a file.
tail [options] file
-N (where N is a number) displays last N lines.
-n N (where N is a number) displays last N lines.
-f reads the file at regular intervals and displays all new lines.
The tail command displays lines from the end of the specified file. By default, tail displays the last 10 lines from the file. To view the last 24 lines from a file named /var/log/messages, type tail -24 /var/log/messages.