Tips about vim

I am a vim user and I thought it would be interesting if I was sharing some of the stuff I like the most about vim as well as having this post as a reminder for myself. So here are few things about vim.

Find and replace every occurence of "tata" and replace it by "toto"

To split the window in half to have 2 files (or more) opened in the same window

To switch between two split window

To select a block of text

To insert in front of every line selected using block of text

To go at the end of the file

To go at the beginning of the file

To add something at the end of each lines