What is the command that shows the same result of holding the super key?!
I.e. What is the command that list all shortcuts in system...
You can get some of them using:
$ gsettings list-recursively org.gnome.desktop.wm.keybindings | grep -v '\[\]' | cut -f 1 -d ' ' --complement
cycle-windows-backward ['<Shift><Alt>Escape']
minimize ['<Primary><Alt>KP_0']
move-to-monitor-left ['<Super><Shift>Left']
unmaximize ['<Primary><Super>Down', '<Super>Down', '<Alt>F5']
panel-main-menu ['<Super>s', '<Alt>F1']
cycle-windows ['<Alt>Escape']
cycle-panels-backward ['<Shift><Control><Alt>Escape']
panel-run-dialog ['<Alt>F2']
switch-to-workspace-down ['<Control><Alt>Down']
move-to-corner-ne ['<Primary><Alt>KP_Prior']
move-to-side-e ['<Primary><Alt>KP_Right']
move-to-workspace-right ['<Control><Shift><Alt>Right']
move-to-workspace-up ['<Shift><Control><Alt>Up']
maximize ['<Primary><Super>Up', '<Super>Up', '<Primary><Alt>KP_5']
cycle-group-backward ['<Shift><Alt>F6']
move-to-side-n ['<Primary><Alt>KP_Up']
move-to-side-s ['<Primary><Alt>KP_Down']
move-to-side-w ['<Primary><Alt>KP_Left']
move-to-corner-nw ['<Primary><Alt>KP_Home']
begin-move ['<Alt>F7']
move-to-monitor-down ['<Super><Shift>Down']
move-to-workspace-left ['<Control><Shift><Alt>Left']
move-to-corner-se ['<Primary><Alt>KP_Next']
activate-window-menu ['<Alt>space']
switch-input-source ['<Super>space']
move-to-monitor-right ['<Super><Shift>Right']
switch-input-source-backward ['<Shift><Super>space']
move-to-workspace-last ['<Super><Shift>End']
cycle-panels ['<Control><Alt>Escape']
move-to-monitor-up ['<Super><Shift>Up']
move-to-corner-sw ['<Primary><Alt>KP_End']
toggle-shaded ['<Primary><Alt>s']
switch-to-workspace-1 ['<Primary><Mod2>Alt_L']
switch-panels ['<Control><Alt>Tab']
switch-panels-backward ['<Shift><Control><Alt>Tab']
switch-applications-backward ['<Shift><Super>Tab', '<Shift><Alt>Tab']
show-desktop ['<Primary><Super>d', '<Primary><Alt>d', '<Super>d']
switch-applications ['<Super>Tab', '<Alt>Tab']
switch-to-workspace-left ['<Control><Alt>Left']
toggle-maximized ['<Primary><Alt>KP_5']
begin-resize ['<Alt>F8']
move-to-workspace-down ['<Shift><Control><Alt>Down']
switch-to-workspace-last ['<Super>End']
switch-group-backward ['<Shift><Super>Above_Tab', '<Shift><Alt>Above_Tab']
switch-group ['<Super>Above_Tab', '<Alt>Above_Tab']
cycle-group ['<Alt>F6']
close ['<Alt>F4']
switch-to-workspace-up ['<Control><Alt>Up']
move-to-workspace-1 ['<Super><Shift>Home']
switch-to-workspace-right ['<Control><Alt>Right']
and:
$ dconf read /org/compiz/integrated/show-hud
['<Alt>l']
Unity Lens shortcuts (Super+) are defined here:
$ grep Shortcut /usr/share/unity/scopes/*.scope
/usr/share/unity/scopes/applications.scope:Shortcut=a
/usr/share/unity/scopes/files.scope:Shortcut=f
/usr/share/unity/scopes/music.scope:Shortcut=m
/usr/share/unity/scopes/photos.scope:Shortcut=c
/usr/share/unity/scopes/video.scope:Shortcut=v
Unity shortcuts such as Super+<1 to 9> are an internal to Unity an cannot be listed from the command line.