diff --git a/xorriso/base_obj.c b/xorriso/base_obj.c
index 97db1deb..cb5b0d1b 100644
--- a/xorriso/base_obj.c
+++ b/xorriso/base_obj.c
@@ -168,6 +168,9 @@ int Xorriso_new(struct XorrisO ** xorriso,char *progname, int flag)
  m->do_follow_mount= 1;
  m->do_global_uid= 0;
  m->global_uid= 0;
+ m->isofs_has_what= 0;
+ m->tree_loaded= 0;
+ m->rr_loaded= 0;
  strcpy(m->volid, "ISOIMAGE");
  m->volid_default= 1;
  m->loaded_volid[0]= 0;
diff --git a/xorriso/drive_mgt.c b/xorriso/drive_mgt.c
index 12a7af44..0e015e51 100644
--- a/xorriso/drive_mgt.c
+++ b/xorriso/drive_mgt.c
@@ -692,6 +692,10 @@ int Xorriso_aquire_drive(struct XorrisO *xorriso, char *adr, char *show_adr,
  }
  Xorriso_process_msg_queues(xorriso,0);
  isoburn_ropt_get_size_what(ropts, &size, &has_what);
+ xorriso->isofs_has_what= has_what;
+ isoburn_ropt_get_tree_loaded(ropts, &(xorriso->tree_loaded),
+                              &(xorriso->rr_loaded));
+
  if(has_what & isoburn_ropt_has_el_torito) {
    if(xorriso->boot_image_bin_path[0])
      boot_fate= "replaced by new boot image";
@@ -1279,6 +1283,20 @@ int Xorriso_toc(struct XorrisO *xorriso, int flag)
  if(!(flag & 2))
    Xorriso_show_boot_info(xorriso, 1 | (flag & 8) | ((flag & 1) << 1));
 
+ if(!(flag & 3)) {
+   sprintf(respt, "ISO offers   :%s%s%s%s\n",
+                  xorriso->isofs_has_what & 1 ? " Rock_Ridge" : "",
+                  xorriso->isofs_has_what & 2 ? " Joliet" : "",
+                  xorriso->isofs_has_what & 4 ? " ISO_9660_1999" : "",
+                  xorriso->isofs_has_what & 7 ? "" : " Only_ECMA_119");
+   Xorriso_toc_line(xorriso, flag & 8);
+   sprintf(respt, "ISO loaded   : %s\n",
+                  xorriso->tree_loaded == 1 ? "Joliet" :
+                  xorriso->tree_loaded == 2 ? "ISO_9660_1999" :
+                  xorriso->rr_loaded > 0 ? "Rock_Ridge" : "Only_ECMA_119");
+   Xorriso_toc_line(xorriso, flag & 8);
+ }
+
  disc= isoburn_toc_drive_get_disc(drive);
  if(flag & 4)
    sprintf(respt, "TOC layout   : %3s , %9s , %10s\n",
diff --git a/xorriso/xorriso_private.h b/xorriso/xorriso_private.h
index f8ce98fc..91a0ea5e 100644
--- a/xorriso/xorriso_private.h
+++ b/xorriso/xorriso_private.h
@@ -241,6 +241,14 @@ struct XorrisO { /* the global context of xorriso */
  int do_overwrite; /* 0=off, 1=on, 2=nondir */
  int do_reassure;  /* 0=off, 1=on, 2=tree */
 
+ int isofs_has_what;    /* bit0= hasRR
+                           bit1= hasJoliet
+                           bit2= hasIso1999
+                           bit3= hasElTorito
+                         */
+ int tree_loaded;       /* 0= ISO 9660 , 1 = Joliet , 2 = ISO 9660:1999 */
+ int rr_loaded;         /* 1= Rock Ridge information was used, 0= Not */
+
  char volid[33];
  int volid_default;
  char loaded_volid[33];
diff --git a/xorriso/xorriso_timestamp.h b/xorriso/xorriso_timestamp.h
index 2656055a..1cf7b9b4 100644
--- a/xorriso/xorriso_timestamp.h
+++ b/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2020.12.07.183710"
+#define Xorriso_timestamP "2020.12.07.184159"