tail

List last 10 lines of file

tail some.log

List last 50 lines of file

tail -50 some.log

List everything after top 10 lines of file

tail +10 some.log

List last 10 lines of file and monitor

tail -10f some.log

Ignore the first N lines of a file

This is useful when processing file with a header in which case N=2

tail -n+N FILE