You could sort of simulate this with dtach in zsh: zle-line-init() if [[ $CONTEXT = start ]] LBUFFER=$zle_prefix$LBUFFER zle -N zle-line-init mkdir

You could sort of simulate this with dtach in zsh: zle-line-init() if [[ $CONTEXT = start ]] LBUFFER=$zle_prefix$LBUFFER zle -N zle-line-init mkdir $HOME/dtaches zle_prefix='dtach -A $(mktemp -d $HOME/dtaches/XXXXX)/sock '