diff --git a/.gitignore b/.gitignore
index 248a728..487c453 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,4 @@ voz1b1
 jozov
 vozinit
 voztie
+.mydepend
diff --git a/mytools/Makefile b/mytools/Makefile
index 8eb4fef..092bc67 100644
--- a/mytools/Makefile
+++ b/mytools/Makefile
@@ -13,6 +13,8 @@ all: $(PROGS)
 
 showZobov: showZobov.o loadZobov.o zobovConf.o
 
+testZobov: testZobov.o loadZobov.o
+
 depend: $(SOURCES)
 	@echo "[DEPENDS] $^"
 	@$(CC) $(CPPFLAGS) -M -MM $^ > .mydepends
diff --git a/mytools/zobovConf.c b/mytools/zobovConf.c
index 3019686..aee1f28 100644
--- a/mytools/zobovConf.c
+++ b/mytools/zobovConf.c
@@ -44,6 +44,7 @@ const char *zobovConf_info_help[] = {
   "  -p, --move=STRING        Move the center by (x,y,z)  (default=`(0,0,0)')",
   "      --galax              Output is galax particles  (default=off)",
   "  -o, --output=STRING      Output file  (default=`voidDesc')",
+  "      --interactive        Go in interactive mode  (default=off)",
     0
 };
 
@@ -112,6 +113,7 @@ void clear_given (struct zobovConf_info *args_info)
   args_info->move_given = 0 ;
   args_info->galax_given = 0 ;
   args_info->output_given = 0 ;
+  args_info->interactive_given = 0 ;
 }
 
 static
@@ -139,6 +141,7 @@ void clear_args (struct zobovConf_info *args_info)
   args_info->galax_flag = 0;
   args_info->output_arg = gengetopt_strdup ("voidDesc");
   args_info->output_orig = NULL;
+  args_info->interactive_flag = 0;
   
 }
 
@@ -163,6 +166,7 @@ void init_args_info(struct zobovConf_info *args_info)
   args_info->move_help = zobovConf_info_help[13] ;
   args_info->galax_help = zobovConf_info_help[14] ;
   args_info->output_help = zobovConf_info_help[15] ;
+  args_info->interactive_help = zobovConf_info_help[16] ;
   
 }
 
@@ -319,6 +323,8 @@ zobovConf_dump(FILE *outfile, struct zobovConf_info *args_info)
     write_into_file(outfile, "galax", 0, 0 );
   if (args_info->output_given)
     write_into_file(outfile, "output", args_info->output_orig, 0);
+  if (args_info->interactive_given)
+    write_into_file(outfile, "interactive", 0, 0 );
   
 
   i = EXIT_SUCCESS;
@@ -640,6 +646,7 @@ zobovConf_internal (int argc, char * const *argv, struct zobovConf_info *args_in
         { "move",	1, NULL, 'p' },
         { "galax",	0, NULL, 0 },
         { "output",	1, NULL, 'o' },
+        { "interactive",	0, NULL, 0 },
         { NULL,	0, NULL, 0 }
       };
 
@@ -822,6 +829,18 @@ zobovConf_internal (int argc, char * const *argv, struct zobovConf_info *args_in
                 additional_error))
               goto failure;
           
+          }
+          /* Go in interactive mode.  */
+          else if (strcmp (long_options[option_index].name, "interactive") == 0)
+          {
+          
+          
+            if (update_arg((void *)&(args_info->interactive_flag), 0, &(args_info->interactive_given),
+                &(local_args_info.interactive_given), optarg, 0, 0, ARG_FLAG,
+                check_ambiguity, override, 1, 0, "interactive", '-',
+                additional_error))
+              goto failure;
+          
           }
           
           break;
diff --git a/mytools/zobovConf.h b/mytools/zobovConf.h
index 82245be..fc9e7e9 100644
--- a/mytools/zobovConf.h
+++ b/mytools/zobovConf.h
@@ -72,6 +72,8 @@ struct zobovConf_info
   char * output_arg;	/**< @brief Output file (default='voidDesc').  */
   char * output_orig;	/**< @brief Output file original value given at command line.  */
   const char *output_help; /**< @brief Output file help description.  */
+  int interactive_flag;	/**< @brief Go in interactive mode (default=off).  */
+  const char *interactive_help; /**< @brief Go in interactive mode help description.  */
   
   unsigned int help_given ;	/**< @brief Whether help was given.  */
   unsigned int version_given ;	/**< @brief Whether version was given.  */
@@ -89,6 +91,7 @@ struct zobovConf_info
   unsigned int move_given ;	/**< @brief Whether move was given.  */
   unsigned int galax_given ;	/**< @brief Whether galax was given.  */
   unsigned int output_given ;	/**< @brief Whether output was given.  */
+  unsigned int interactive_given ;	/**< @brief Whether interactive was given.  */
 
 } ;