NAME
tee - read from standard input and write to standard output and file
SYNOPSIS
tee [OPTION] [FILE]
DESCRIPTION
Read from standard input and write to standard output. If a file name is specified the output will also be writen to the file.
OPTIONS
-a
Append to the given FILE, do not overwrite.
EXAMPLE
To read standard input & write to standard output
tee
To read standard input & write to standard output & file
tee FileName
To read standard input & write to standard output & append to file
tee -a FileName