tail (Revision #2)

\tail
	This command prints the last few lines of each file.
Syntax
	\tail [OPTION ...] FILE ...
Description
	\tail command prints the last 10 lines of each file. With more than one file, precedes each with a header giving the file name.
Options
	-f Output appended data as the file grows.
	-n, --lines N Output the last N lines, instead of 10; or use +N to output lines starting with the Nth.
	-q Never output headers giving file names.
	-s SECOND With -f, sleep for approximately SECOND seconds (default 1.0) between iterations.
	-v Always output headers giving file names.
Notes	If both -q and -v are specified, headers are not displayed. With -f, only the last file is followed if more than one files are specified.
Example
	To output last 10 lines of a file \tail -10 pattern.txt
	To output data as file grows, use the -f ption \tail -f data.txt
	To display file name together with the lines: \tail -v pattern.txt