System Tables Views Oracle PLSQL

SQL> select cluster_name, owner, table_name
  2    from dba_tables
  3   where cluster_name is not null
  4   order by cluster_name
  5  /
CLUSTER_NAME                   OWNER
------------------------------ ------------------------------
TABLE_NAME
------------------------------
C_COBJ#                        SYS
CDEF$
C_COBJ#                        SYS
CCOL$
C_FILE#_BLOCK#                 SYS
UET$
CLUSTER_NAME                   OWNER
------------------------------ ------------------------------
TABLE_NAME
------------------------------
C_FILE#_BLOCK#                 SYS
SEG$
C_MLOG#                        SYS
MLOG$
C_MLOG#                        SYS
SLOG$
CLUSTER_NAME                   OWNER
------------------------------ ------------------------------
TABLE_NAME
------------------------------
C_OBJ#                         SYS
TAB$
C_OBJ#                         SYS
CLU$
C_OBJ#                         SYS
COL$
CLUSTER_NAME                   OWNER
------------------------------ ------------------------------
TABLE_NAME
------------------------------
C_OBJ#                         SYS
IND$
C_OBJ#                         SYS
ICOL$
C_OBJ#                         SYS
SUBCOLTYPE$
CLUSTER_NAME                   OWNER
------------------------------ ------------------------------
TABLE_NAME
------------------------------
C_OBJ#                         SYS
ICOLDEP$
C_OBJ#                         SYS
LIBRARY$
C_OBJ#                         SYS
OPQTYPE$
CLUSTER_NAME                   OWNER
------------------------------ ------------------------------
TABLE_NAME
------------------------------
C_OBJ#                         SYS
NTAB$
C_OBJ#                         SYS
TYPE_MISC$
C_OBJ#                         SYS
VIEWTRCOL$
CLUSTER_NAME                   OWNER
------------------------------ ------------------------------
TABLE_NAME
------------------------------
C_OBJ#                         SYS
ATTRCOL$
C_OBJ#                         SYS
REFCON$
C_OBJ#                         SYS
COLTYPE$
CLUSTER_NAME                   OWNER
------------------------------ ------------------------------
TABLE_NAME
------------------------------
C_OBJ#                         SYS
LOB$
C_OBJ#_INTCOL#                 SYS
HISTGRM$
C_RG#                          SYS
RGROUP$
CLUSTER_NAME                   OWNER
------------------------------ ------------------------------
TABLE_NAME
------------------------------
C_RG#                          SYS
RGCHILD$
C_TOID_VERSION#                SYS
TYPE$
C_TOID_VERSION#                SYS
COLLECTION$
36 rows selected.
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