print only the last n lines of a file

EXAMPLES
	tail -n20 file.txt
		print the last 20 lines of file.txt
	tail -f abc.log
		print the last 10 lines of abc.log and update whenever new data gets appended to the log

FLAGS
	-n	number of lines to be printed (default: 10)
	-f	stay active on the file and update whenever data gets appended to the file (follow)

RELATED
	less
	head
