case "${TERM}" in
xterm*)
    host=`/bin/hostname -s`

    chpwd () { 
      echo -n "_`dirs`\\"
    }

    preexec() {
        # see [zsh-workers:13180]
        # http://www.zsh.org/mla/workers/2000/msg03993.html
        emulate -L zsh
        local -a cmd; cmd=(${(z)2})
        case $cmd[1] in
            fg)
                if (( $#cmd == 1 )); then
                    cmd=(builtin jobs -l %+)
                else
                    cmd=(builtin jobs -l $cmd[2])
                fi
                ;;
            %*)
                cmd=(builtin jobs -l $cmd[1])
                ;;
            cd|ssh)
                if (( $#cmd >= 2 )); then
                    cmd[1]=$cmd[2]
                fi
                ;&
            sudo)
                if (( $#cmd >= 2 )); then
                    cmd[1]='#'
                    for i in $cmd[2,-1]; do
                        cmd[1]=$cmd[1]' '$i
                    done
                fi
                ;&
            *)
                echo -n "k$host:$cmd[1]:t\\"
                return
                ;;
        esac

        local -A jt; jt=(${(kv)jobtexts})
        $cmd >>read num rest cmd=(${(z)${(e):-\$jt$num}}) echo -n "k$cmd[1]:t\\" 2>/dev/null
    }

    precmd() {
        local prev; prev=`history -1 | sed "s/^[ 0-9]*//" | sed "s/ .*$//"`
        case $prev in
            sudo)
                prev=`history -1 | sed "s/^[ 0-9]*//"`
                ;;
        esac

        echo -n "k$:$host:$prev\\"
    }

    chpwd() {
        _reg_pwd_screennum
        echo ''`pwd`'' && ls
    }
esac