diff --git a/dots/lf/lfrc b/dots/lf/lfrc
index 98fe5a6..e60c051 100644
--- a/dots/lf/lfrc
+++ b/dots/lf/lfrc
@@ -1,5 +1,40 @@
 # klevstul
 
+# set '-eu' options for shell commands
+# These options are used to have safer shell commands. Option '-e' is used to
+# exit on error and option '-u' is used to give error for unset variables.
+# Option '-f' disables pathname expansion which can be useful when $f, $fs, and
+# $fx variables contain names with '*' or '?' characters. However, this option
+# is used selectively within individual commands as it can be limiting at
+# times.
+set shellopts '-eu'
+
+# set internal field separator (IFS) to "\n" for shell commands
+# This is useful to automatically split file names in $fs and $fx properly
+# since default file separator used in these variables (i.e. 'filesep' option)
+# is newline. You need to consider the values of these options and create your
+# commands accordingly.
+set ifs "\n"
+
+# leave some space at the top and the bottom of the screen
+set scrolloff 10
+
+# Use the `dim` attribute instead of underline for the cursor in the preview pane
+set cursorpreviewfmt "\033[7;2m"
+
+# use enter for shell commands
+map <enter> shell
+
+# show the result of execution of previous commands
+map ` !true
+
+# execute current file (must be executable)
+map x $$f
+map X !$f
+
+# dedicated keys for file opener actions
+map o &mimeopen $f
+map O $mimeopen --ask $f
 
 # define a custom 'open' command
 # This command is called when current file is not a directory. You may want to
@@ -68,11 +103,29 @@ set cleaner ctpvclear
 &ctpvquit $id
 
 # dragon
-cmd xi $dragon-drop --target --and-exit
-cmd xo $dragon-drop --and-exit "$fx"
+#cmd xi !dragon-drop --target --and-exit
+#cmd xo %dragon-drop --and-exit "$fx"
 
-cmd xii %dragon-drop --target
-cmd xoo %dragon-drop "$fx"
+cmd dragon %dragon-drop -all --and-exit "$fx"
+cmd dragon-stay %dragon-drop -all "$fx"
+cmd dragon-individual %dragon-drop "$fx"
+cmd dragon-in !dragon-drop --target --and-exit
+
+#cmd xii %dragon-drop --target
+#cmd xoo %dragon-drop "$fx"
 
 #map xi xi
 #map xo xo
+
+#map dr dragon
+#map ds dragon-stay
+#map di dragon-individual
+#map dm mvdragon
+#map dc cpdragon
+
+#cmd dragon %dragon-drag-and-drop -a -x $fx
+#cmd dragon-stay %dragon-drag-and-drop -a $fx
+#cmd dragon-individual %dragon-drag-and-drop $fx
+#cmd cpdragon %cpdragon
+#cmd mvdragon %mvdragon
+#cmd dlfile %dlfile
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