Install since by entering the following commands in the terminal:
sudo apt update sudo apt install since
Description:
tail(1) work-alike that saves and uses state information
since is a tail(1) work-alike that remembers how much of a file you have viewed and displays only what's new when you next view that file. Ideal for viewing log files (it'll only show what's new in the file since the last time it was run).
Homepage: http://welz.org.za/projects/since
Version: 1.1-6
Section: universe/text