`tail` - output the last part of files

tail [-n N] [-f] [file]...

Options you will use

-n N: Print the last N lines (default 10). -n +N starts AT line N.
-f, --follow: Keep the file open and print new lines as they are appended. Ctrl+C to stop.
-F: Like -f but retry if the file is rotated or does not exist yet.

Examples

$ tail -f /var/log/nginx/error.log

watch a log live

$ tail -n +2 file.csv

skip the header row

Taught in

11.26 Logging drivers, and the log file that fills the disk

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