_xinitrc

#!/bin/sh
#
# ~/.xinitrc
#
# Executed by startx (run your window manager from here)

if [ -d /etc/X11/xinit/xinitrc.d ]; then
    for f in /etc/X11/xinit/xinitrc.d/*; do
        [ -x "$f" ] && . "$f"
    done
    unset f
fi

xss-lock -- xscreensaver-command -lock &

#export LANG="ja_JP.UTF-8"
#Virtual 2048 2048

# Here i3 is kept as default
session=${1:-qtile}

case $session in
    awesome           ) exec awesome;;
    bspwm             ) exec bspwm;;
    catwm             ) exec catwm;;
    cinnamon          ) exec cinnamon-session;;
    dwm               ) exec dwm;;
    ede               ) exec startede;;
    enlightenment     ) exec enlightenment_start;;
    fluxbox           ) exec startfluxbox;;
    gnome             ) exec gnome-session;;
    gnome-classic     ) exec gnome-session --session=gnome-classic;;
    i3|i3wm           ) exec i3;;
    icewm             ) exec icewm-session;;
    jwm               ) exec jwm;;
    kde               ) exec startkde;;
    mate              ) exec mate-session;;
    monster|monsterwm ) exec monsterwm;;
    notion            ) exec notion;;
    openbox           ) exec openbox-session;;
    qtile             ) exec qtile start;;
    subtle            ) exec subtle;;
    unity             ) exec unity;;
    wingo             ) exec wingo;;
    xfce|xfce4        ) exec startxfce4;;
    xmonad            ) exec xmonad;;
    # No known session, try to run it as command
    *) exec $1;;
esac