The default Global Directory looks like this:

                        *** TEMPLATES ***
                              Def   Rec   Key   Null      Standard
Region                        Coll  Size  Size  Subs      NullColl  Journaling
------------------------------------------------------------------------------
<default>                     0     256    64   NEVER      N         N
  
Segment          Active       Acc Typ Block    Alloc  Exten   Options
------------------------------------------------------------------------------
<default>          *          BG  DYN  1024      100    100   GLOB =1024
                                                               LOCK = 40
<default>                     MM  DYN  1024      100    100   DEFER
                                                               LOCK = 40
 
                        *** NAMES ***
Global                             Region
------------------------------------------------------------------------------
*                                  DEFAULT
Gharial                            REPTILES
Hoopoe                             BIRDS
Jacare                             REPTILES
Trogon                             BIRDS
 
                        *** REGIONS ***
             Dynamic         Def    Rec   Key Null       Standard
Region       Segment        Coll   Size  Size Subs       NullColl  Journaling
------------------------------------------------------------------------------
BIRDS        BIRDS             0    256    64 NEVER      N         N
DEFAULT      DEFAULT           0    256    64 NEVER      N         N
REPTILES     REPTILES          0    256    64 NEVER      N         N
 
                        *** SEGMENTS ***
Segment      File (def ext: .dat)    Acc Typ Block      Alloc Exten Options
------------------------------------------------------------------------------
BIRDS        flap.dat                BG  DYN  1024        100   100 GLOB=1024
                                                                     LOCK=  40
                                                                     RES =   0
                                                                     ENCR=OFF
DEFAULT      mumps.dat               BG  DYN  1024        100   100 GLOB=1024
                                                                     LOCK=  40
                                                                     RES =   0
                                                                     ENCR=OFF
REPTILES     creep.dat               BG  DYN  1024        100   100 GLOB=1024
                                                                     LOCK=  40
                                                                     RES =   0
                                                                     ENCR=OFF
 
                        *** MAP ***
-  -  -  -  -  -  -  -  -  - Names -  -  - -  -  -  -  -  -  -

From              Up to                 Region / Segment / File(def ext: .dat)
------------------------------------------------------------------------------

%                 Gharial               REG = DEFAULT
                                         SEG = DEFAULT
                                         FILE = mumps.dat
Gharial           Gharial0              REG = REPTILES
                                         SEG = REPTILES
                                         FILE = creep.dat
Gharial0          Hoopoe                REG = DEFAULT
                                         SEG = DEFAULT
                                         FILE = mumps.dat
Hoopoe            Hoopoe0               REG = BIRDS
                                         SEG = BIRDS
                                         FILE = flap.dat
Hoopoe0           Jacare                REG = DEFAULT
                                         SEG = DEFAULT
                                         FILE = mumps.dat
Jacare            Jacare0               REG = REPTILES
                                         SEG = REPTILES
                                         FILE = creep.dat
Jacare0           Trogon                REG = DEFAULT
                                         SEG = DEFAULT
                                         FILE = mumps.dat
Trogon            Trogon0               REG = BIRDS
                                         SEG = BIRDS
                                         FILE = flap.dat
Trogon0           ...                   REG = DEFAULT
                                         SEG = DEFAULT
                                         FILE = mumps.dat
LOCAL LOCKS                             REG = DEFAULT
                                         SEG = DEFAULT
                                         FILE = mumps.dat

There are five primary sections in a Global Directory:

The function of each section in the Global Directory is described as follows: