> compile
Linux ubuntu 3.5.0-45-generic #68-Ubuntu SMP Mon Dec 2 22:02:00 UTC 2013 i686 i686 i686 GNU/Linux
 23:35:47 up 7 min,  2 users,  load average: 0.37, 0.87, 0.54
init-+-NetworkManager-+-2*[dhclient]
     |                |-dnsmasq
     |                `-2*[{NetworkManager}]
     |-accounts-daemon---{accounts-daemon}
     |-acpid
     |-anacron
     |-at-spi-bus-laun-+-dbus-daemon
     |                 `-3*[{at-spi-bus-laun}]
     |-at-spi2-registr---{at-spi2-registr}
     |-atd
     |-avahi-daemon---avahi-daemon
     |-bamfdaemon---2*[{bamfdaemon}]
     |-bluetoothd
     |-colord---2*[{colord}]
     |-console-kit-dae---64*[{console-kit-dae}]
     |-cron
     |-cupsd---dbus
     |-2*[dbus-daemon]
     |-dbus-launch
     |-dconf-service---2*[{dconf-service}]
     |-evolution-sourc---2*[{evolution-sourc}]
     |-firefox---34*[{firefox}]
     |-gconfd-2
     |-geoclue-master---2*[{geoclue-master}]
     |-6*[getty]
     |-gnome-keyring-d---7*[{gnome-keyring-d}]
     |-gnome-terminal-+-bash---make---sh-+-git
     |                |                  `-pstree
     |                |-gnome-pty-helpe
     |                `-3*[{gnome-terminal}]
     |-goa-daemon---2*[{goa-daemon}]
     |-gvfs-afc-volume---2*[{gvfs-afc-volume}]
     |-gvfs-gphoto2-vo---{gvfs-gphoto2-vo}
     |-gvfs-udisks2-vo---{gvfs-udisks2-vo}
     |-gvfsd---{gvfsd}
     |-gvfsd-burn---{gvfsd-burn}
     |-gvfsd-fuse---4*[{gvfsd-fuse}]
     |-gvfsd-trash---{gvfsd-trash}
     |-hud-service---2*[{hud-service}]
     |-ibus-daemon-+-ibus-engine-sun---{ibus-engine-sun}
     |             |-ibus-gconf---{ibus-gconf}
     |             |-python---{python}
     |             `-2*[{ibus-daemon}]
     |-ibus-x11---{ibus-x11}
     |-indicator-appli---{indicator-appli}
     |-indicator-datet---3*[{indicator-datet}]
     |-indicator-messa---2*[{indicator-messa}]
     |-indicator-print---2*[{indicator-print}]
     |-indicator-sessi---2*[{indicator-sessi}]
     |-indicator-sound---2*[{indicator-sound}]
     |-lightdm-+-Xorg
     |         |-lightdm-+-gnome-session-+-bluetooth-apple---2*[{bluetooth-apple}]
     |         |         |               |-compiz-+-sh---gtk-window-deco---2*[{gtk-window-deco}]
     |         |         |               |        `-3*[{compiz}]
     |         |         |               |-deja-dup-monito---2*[{deja-dup-monito}]
     |         |         |               |-gnome-fallback----2*[{gnome-fallback-}]
     |         |         |               |-gnome-screensav---2*[{gnome-screensav}]
     |         |         |               |-gnome-settings--+-syndaemon
     |         |         |               |                 `-3*[{gnome-settings-}]
     |         |         |               |-lightdm-session
     |         |         |               |-nautilus---2*[{nautilus}]
     |         |         |               |-nm-applet---2*[{nm-applet}]
     |         |         |               |-polkit-gnome-au---2*[{polkit-gnome-au}]
     |         |         |               |-ssh-agent
     |         |         |               |-telepathy-indic---2*[{telepathy-indic}]
     |         |         |               |-update-notifier---3*[{update-notifier}]
     |         |         |               `-3*[{gnome-session}]
     |         |         `-{lightdm}
     |         `-2*[{lightdm}]
     |-mission-control---2*[{mission-control}]
     |-modem-manager
     |-mount.ntfs
     |-notify-osd---2*[{notify-osd}]
     |-oneconf-service---2*[{oneconf-service}]
     |-polkitd---{polkitd}
     |-pulseaudio-+-gconf-helper
     |            `-2*[{pulseaudio}]
     |-rsyslogd---3*[{rsyslogd}]
     |-rtkit-daemon---2*[{rtkit-daemon}]
     |-signon-ui---{signon-ui}
     |-system-service-
     |-ubuntu-geoip-pr---2*[{ubuntu-geoip-pr}]
     |-udevd---2*[udevd]
     |-udisksd---3*[{udisksd}]
     |-unity-applicati---2*[{unity-applicati}]
     |-unity-files-dae---2*[{unity-files-dae}]
     |-unity-gwibber-d---2*[{unity-gwibber-d}]
     |-unity-lens-phot---2*[{unity-lens-phot}]
     |-unity-lens-vide---{unity-lens-vide}
     |-unity-music-dae---{unity-music-dae}
     |-unity-musicstor---2*[{unity-musicstor}]
     |-unity-panel-ser---2*[{unity-panel-ser}]
     |-unity-scope-gdo---2*[{unity-scope-gdo}]
     |-unity-scope-vid---2*[{unity-scope-vid}]
     |-unity-shopping----2*[{unity-shopping-}]
     |-unity-webapps-s---2*[{unity-webapps-s}]
     |-upowerd---2*[{upowerd}]
     |-upstart-socket-
     |-upstart-udev-br
     |-whoopsie---{whoopsie}
     |-winbindd---winbindd
     |-zeitgeist-daemo---{zeitgeist-daemo}
     |-zeitgeist-datah---{zeitgeist-datah}
     `-zeitgeist-fts-+-cat
                     `-{zeitgeist-fts}
> play
> play
> play
> play
> play
delete the first line of makefile