8 if xscreensaver-command -version >/dev/null 2>&1; then
9 xscreensaver-command -lock
14 if gnome-screensaver-command --query >/dev/null 2>&1; then
15 gnome-screensaver-command --lock
19 ## Make sure we did something useful.
22 echo >&2 "$0: no screensaver found"