tail

Display the last part of a file.

Show last 'num' lines in file:

tail -n {{num}} {{file}}

Show all file since line 'num':

tail -n +{{num}} {{file}}

Show last 'num' bytes in file:

tail -c {{num}} {{file}}

Keep reading file until Ctrl + C:

tail -f {{file}}

Keep reading file until Ctrl + C, even if the file is rotated:

tail -F {{file}}