--- old/xflock4	2013-07-05 17:30:55.123541658 +0400
+++ new/xflock4	2013-07-05 17:30:55.123541658 +0400
@@ -24,16 +24,18 @@
 PATH=/bin:/usr/bin
 export PATH
 
-# Lock by xscreensaver or gnome-screensaver, if a respective daemon is running
+# Lock by xscreensaver or mate-screensaver, if a respective daemon is running
 for lock_cmd in \
     "xscreensaver-command -lock" \
-    "gnome-screensaver-command --lock"
+    "mate-screensaver-command --lock" \
+    "cinnamon-screensaver-command --lock"
 do
     $lock_cmd >/dev/null 2>&1 && exit
 done
 
 # else run another access locking utility, if installed
 for lock_cmd in \
+  "i3lock" \
   "xlock -mode blank" \
   "slock"
   do