Definition:
- prints the last part (10 lines by default) of each FILE; it reads from standard input if no files are given or when given a FILE of ‘-’.
Synopsis:
tail [OPTION]... [FILE]...
List of options:
- .
-f, --follow[={name|descriptor}]- output appended data as the file grows;
- an absent option argument means ‘descriptor’
- .
-n, --lines =[-]NUM