tac command but opposite of cat command
As we know cat command is used to see the content of file,creating the new file and concatinating the two file also (If you do not know soon my next write up is on this).
When we use cat command you can read the content in correct format means left to right reading and moving towards downwards.
Similarly there is a command called “tac” which we show the content but in reverse manner. See the below image.
How to use tac command.