> ~/.vimrc works on bash, but it hangs on zsh because it treats it like cat > ~/.vimrc (> without any command in front of it is not well defined in POSIX) So po

> ~/.vimrc works on bash, but it hangs on zsh because it treats it like cat > ~/.vimrc (> without any command in front of it is not well defined in POSIX) So portable way to do this is like this: :> ~/.vimrc