Vim advanced commands
Useful commands to master vim
Tips
All delete commands which are run with d, may use instead c. This will do the same delete operation, but will open directly on insert mode afterwards.
Help
Type :help change.txt
Redirect input into a Vim buffer
cat input | vim - This, ran from bash, outputs the result of a command or a file into a vim buffer, where we can do whatever with it, without modifying the original source.