162. What is the use of tee command in Unix?
We use tee command in a shell to read the input by user (standard input) and write it to screen (standard output) as well as to a file.
We can use tee command to split the output of a program so that it is visible on command line interface (CLI) as well as stored on a file for later
use.
Syntax is tee [-a] [-i] [file …]