Create vimperatorrc file and map keys of u and d to no operation.

Deleting and Creating tabs is executed carefully.
Remove bashrc and bash_profile files and end the support for bash shell.
Create zshenv file to set global variables and so on.
Add some aliases for git commands.

Git commands are frequently used.
Move environment variables in zshrc to zshenv.
Gather some sentences for cygwin.
Create zsh_prompt file and move prompt settings to it.

It is planned to display branch name of git and so on.
Add alias gdf='git diff'.
Modify the prompt to contain git branch name.

It is useful to use git.
Add user name and PC address to zsh_prompt.
Add more information about git repository to prompt.

The function in zsh_prompt file is introduces by mathiasbynens.
Beautify the prompt adding some information and changing colors.