diff --git a/runon/runon.py b/runon/runon.py
index 2d35055..05120b0 100755
--- a/runon/runon.py
+++ b/runon/runon.py
@@ -216,7 +216,8 @@ def main():
         parser.description = 'run commands on any distribution'
         parser.add_argument('osname',
                             help = 'distribution name to run on, '
-                            '"list" to dump all available distributions')
+                            '"list" to dump all available distributions, '
+                            '"edit" to open the current config file in a text editor.')
     parser.epilog = '(c) 2021 Gilles Grandou <gilles@grandou.net>'
 
     parser.add_argument('-v', '--verbose', action='store_true',
@@ -246,6 +247,10 @@ def main():
             print('  {}'.format(o))
         print()
         return 0
+    elif args.osname == 'edit':
+        cmd = [ 'xdg-open', conf_file ]
+        ret = subprocess.run(cmd, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL);
+        return 0
 
     if args.link:
         make_osname_link(sys.argv[0], args.osname)