Learning to use ViM step by step. This time how to jump in current opened file:

Jump to the beginning of the file, press gg:

gg

To jump to line 42 in the current open file, press 42G:

42G

Jump to the end of file, press the G key:

G

These 3 commands work only in the visual mode. In case it does not work press the ESC key first and then the command:

ESC gg

The Simplicity Principle from RFC 3439 says:

...
Abstract

   This document extends RFC 1958 by outlining some of the philosophical
   guidelines to which architects and designers of Internet backbone
   networks should adhere.  We describe the Simplicity Principle, which
   states that complexity is the primary mechanism that impedes
   efficient scaling, and discuss its implications on the architecture,
   design and engineering issues found in large scale Internet
   backbones.
...

Make your own opinion.