undocumented cisco command 

IOS (tm) C3500XL Software (C3500XL-C3H2S-M), Version 12.0(5)WC9, RELEASE SOFTWARE (fc1)
cisco WS-C3524-XL (PowerPC403) processor (revision 0x01) with 8192K/1024K bytes of memory.

#show parser link
Current parser link points:
  Name                             ID   Addr      Type
  exec                              1   0x3A9AB4  1
  show                              3   0x3A0D18  1
  clear                             4   0x3A0550  1
  set                               2   0x3A0CB4  1
  debug                             5   0x3A0848  1
  terminal                          8   0x3A26CC  1
  test                              9   0x3A9B20  1
  configuration                    10   0x3A7FA0  1
  configuration (after controlle   98   0x3A7F70  1
  configuration (after source-br  124   0x3A7F10  1
  hub configuration command       142   0x3A7F00  1
  interface configuration          11   0x3A32A8  1
  interface configuration for ga   12   0x3A3288  1
  interface configuration(2)       13   0x3A3298  1
  interface configuration(after   205   0x3A3278  1
  interface configuration (after  206   0x3A3268  1
  X25 hunt-group configuration    487   0x3A7B3C  1
  line configuration               14   0x3A26EC  1
  routing configuration            16   0x3A7B1C  1
  gatekeeper configuration        372   0x3A7B0C  1
  gateway configuration           373   0x3A7F30  1
  settlement configuration        376   0x3A7F20  1
  h323 proxy configuration        374   0x3A7F40  1
  line_term                        17   0x3A1FF8  1
  router                           19   0x3A7BBC  1
  global                           35   0x3A1F98  1
...