how much RAM does Ubuntu need to sleep?

[Me - Atlantic]

[snip]
>   ps auxwf | grep -B10 python
> 
> this will show a 'tree' of the processes, so that you can see what the
> parents of the process are.
> 
> 	-Paul
I didn't know that part about the tree - here are the results

105       6467  0.0  0.0   2160   280 ?        Ss   Jul03
0:00 /usr/bin/dbus-daemon --system
hal       6480  0.0  0.1   5080  1044 ?        Ss   Jul03
0:00 /usr/sbin/hald
hal       6485  0.0  0.0   1864   212 ?        S    Jul03   0:00  \_
hald-addon-acpi
hal       6496  0.0  0.0   1872   264 ?        S    Jul03   0:15  \_
hald-addon-storage
root      6880  0.0  0.0  10628   640 ?        Ss   Jul03
0:00 /usr/sbin/gdm
root      6885  0.0  0.0  10960   820 ?        S    Jul03   0:00
\_ /usr/sbin/gdm
root      6953 13.6  2.5  71236 25920 ?        S    Jul03 483:54
\_ /usr/X11R6/bin/X :0 -br -audit 0 -auth /var/lib/gdm/:0.Xauth
-nolisten tcp vt7
john      7516  0.0  0.2  18496  3052 ?        Ss   Jul03   0:01      \_
x-session-manager
john      7554  0.0  0.0   3148   264 ?        Ss   Jul03   0:00
\_ /usr/bin/ssh-agent /usr/bin/dbus-launch --exit-with-session
x-session-manager
hplip     6986  0.0  0.0  12620   300 ?        Ssl  Jul03
0:00 /usr/sbin/hpiod
hplip     6989  0.0  0.1   8856  1304 ?        S    Jul03   0:04
python /usr/sbin/hpssd
--
john      7586  0.0  0.0   5956   956 ?        S    Jul03   0:05
xscreensaver -nosplash
john      7610  0.0  0.5  14320  5972 ?        Ss   Jul03   0:39
metacity --sm-save-file 1151909347-7600-667147529.ms
john      7612  0.0  0.6  26076  6268 ?        Ssl  Jul03   0:06
gnome-panel --sm-config-prefix /gnome-panel-NVKM5x/ --sm-client-id
101fe2a9e8000114237908400000300070001 --screen 0
john      7614  0.0  0.2  17008  2272 ?        Ss   Jul03   0:00
gnome-volume-manager --sm-config-prefix /gnome-volume-manager-QIJb7A/
--sm-client-id 101fe2a9e8000114237908400000300070002 --screen 0
john      7616  0.0  1.9  47988 19716 ?        Ssl  Jul03   0:11
nautilus --sm-config-prefix /nautilus-8QTd2Q/ --sm-client-id
104e124f20000114243890900000077290024 --screen 0 --no-default-window
john      7618  0.0  0.3  18280  3272 ?        Ss   Jul03   0:02
update-notifier --sm-config-prefix /update-notifier-4YYLot/
--sm-client-id 101fe2a9e8000114237908500000300070004 --screen 0
john      7624  0.0  0.7  31720  7500 ?        Ssl  Jul03   0:11
gnome-terminal --sm-config-prefix /gnome-terminal-FVdwAS/ --sm-client-id
1010ea010c000114316503200000076510071 --screen 0
--window-with-profile-internal-id=Default --show-menubar
--role=gnome-terminal-5108--1592336588-1150376429 --active --geometry
124x38 --title root at Croatus: ~/.save_me --working-directory /home/john
--zoom 1 --window-with-profile-internal-id=Default --show-menubar
--role=gnome-terminal-5108--246352322-1150470371 --active --geometry
124x38 --title john at Croatus: ~/.save_me
--working-directory /home/john/.save_me --zoom 1
--window-with-profile-internal-id=Default --show-menubar
--role=gnome-terminal-5108--680264866-1150551465 --active --geometry
124x38 --title root at Croatus: /usr/local/DataArchitect-Demo-3.5.0-060504
--working-directory /usr/local/DataArchitect-Demo-3.5.0-060504 --zoom 1
john      7648  0.0  0.0   2288   252 ?        S    Jul03   0:00  \_
gnome-pty-helper
john      7649  0.0  0.1   4700  1180 pts/0    Ss   Jul03   0:00  \_
bash
john     11521  0.0  0.0   3872   948 pts/0    R+   13:59   0:00  |   \_
ps auxwf
john     11522  0.0  0.0   2928   516 pts/0    D+   13:59   0:00  |   \_
grep -B10 python
--
john      7626  0.0  0.1  17888  1940 ?        Ss   Jul03   0:00 eog
--sm-config-prefix /eog-pG5Tug/ --sm-client-id
104e124f20000114244097200000077290028 --screen 0
john      7629  0.0  0.1  46236  2052 ?        Sl   Jul03
0:05 /usr/lib/gnome-vfs2/gnome-vfs-daemon
--oaf-activate-iid=OAFIID:GNOME_VFS_Daemon_Factory --oaf-ior-fd=31
john      7631  0.0  0.2  48960  2756 ?        Ssl  Jul03
0:00 /usr/lib/evolution/2.4/evolution-alarm-notify
--sm-config-prefix /evolution-alarm-notify-Efkl2M/ --sm-client-id
104a8b59ad000115037644100000050080001 --screen 0
root      7633  0.8  3.9  57760 40600 ?        Ssl  Jul03  31:41
firestarter
john      7635  0.0  0.6  20532  7240 ?        S    Jul03
0:19 /usr/lib/gnome-panel/wnck-applet
--oaf-activate-iid=OAFIID:GNOME_Wncklet_Factory --oaf-ior-fd=32
john      7639  0.0  0.1  12036  1308 ?        S    Jul03
0:00 /usr/lib/notification-daemon/notification-daemon
root      7641  0.0  0.1   5096  1092 ?        S    Jul03
0:00 /usr/lib/gconf2/gconfd-2 12
john      7646  0.0  0.4  21436  4928 ?        Sl   Jul03
0:01 /usr/lib/gnome-applets/trashapplet
--oaf-activate-iid=OAFIID:GNOME_Panel_TrashApplet_Factory
--oaf-ior-fd=37
john      7660  0.0  0.0   2280   420 ?        S    Jul03
0:00 /usr/lib/nautilus-cd-burner/mapping-daemon
john      7687  0.0  0.2  66740  2652 ?        Sl   Jul03
0:00 /usr/lib/evolution/evolution-data-server-1.4
--oaf-activate-iid=OAFIID:GNOME_Evolution_DataServer_CalFactory:1.4
--oaf-ior-fd=41
john      7691 17.6 68.5 1487308 709800 ?      S    Jul03 627:23
python /usr/lib/gdesklets/gdesklets-daemon
john at Croatus:~/Desktop$