tail Linux Commands

Topic

What is Linux tail Command?

Explanation

tail COMMAND:

tail command is used to display the last or bottom part of the file. By default it displays last 10 lines of a file.

SYNTAX:


The Syntax is
tail [options] filename

OPTIONS:


-l To specify the units of lines.
-b To specify the units of blocks.
-n To specify how many lines you want to display.
-c number The number option-argument must be a decimal integer whose sign affects the location in the file, measured in bytes.
-n number The number option-argument must be a decimal integer whose sign affects the location in the file, measured in lines.

EXAMPLE:


  1. tail index.php

    It displays the last 10 lines of 'index.php'.
  2. tail -2 index.php

    It displays the last 2 lines of 'index.php'.
  3. tail -n 5 index.php

    It displays the last 5 lines of 'index.php'.
  4. tail -c 5 index.php

    It displays the last 5 characters of 'index.php'.