bindkey -v
bindkey -M vicmd "?" history-incremental-pattern-search-backward
bindkey -M vicmd "/" history-incremental-pattern-search-forward
bindkey -M vicmd v edit-command-line
bindkey -M vicmd 'u' undo
bindkey -M vicmd '^r' redo
bindkey -M vicmd '~' vi-swap-case
bindkey '^[[A' history-substring-search-up
bindkey '^[[B' history-substring-search-down
bindkey '^[[Z' reverse-menu-complete
bindkey '^a' beginning-of-line
bindkey '^e' end-of-line
bindkey '^l' clear-screen
bindkey '^k' kill-line
bindkey '^u' backward-kill-line
bindkey '^r' history-incremental-search-backward
bindkey '^p' history-search-backward
bindkey '^n' insert-last-word
bindkey '^?' backward-delete-char