$ whatis core

core - process core file

core (5) - core dump file

Examples:

# hostname
MySolaris

Find the core file relative to the current directory I am in now.
# find . -name core
./2.2/htdocs/tt/how-to/core

Show me the format of this core file.
# file ./2.2/htdocs/tt/how-to/core
./2.2/htdocs/tt/how-to/core:        ELF 32-bit LSB core file 80386 Version 1, from 'testme'

Show me the shared libraries that are used by this core file.
# pldd ./2.2/htdocs/tt/how-to/core
core './2.2/htdocs/tt/how-to/core' of 27028:        ./testme
/usr/lib/libc/libc_hwcap1.so.1

# cd ../2.2/htdocs/tt/how-to/core
# file core
core:           ELF 32-bit LSB core file 80386 Version 1, from 'testme'

# pldd -l core
core 'core' of 27028:   ./testme
/lib/libc.so.1

	To analyze the core file using adb debugger.
# adb core
core file = core -- program ``/var/apache2/2.2/htdocs/tt/how-to/testme'' on platform i86pc
SIGFPE: Arithmetic Exception

	To get status of the current core file.
::status
debugging core file of testme (32-bit) from isas53
file: /var/apache2/2.2/htdocs/tt/how-to/testme
initial argv: ./testme
threading model: native threads
status: process terminated by SIGFPE (Arithmetic Exception), addr=8050d5d
	To get the Registers values
$r
%cs = 0x0043            %eax = 0x00000000 
%ds = 0x004b            %ebx = 0xfeffb8f4 
%ss = 0x004b            %ecx = 0x08047d04 
%es = 0x004b            %edx = 0x00000000 
%fs = 0x0000            %esi = 0x08047ce8 
%gs = 0x01c3            %edi = 0x08047d88 

 %eip = 0x08050d5d main+0x99
 %ebp = 0x08047d08
%kesp = 0x00000000

%eflags = 0x00010212
  id=0 vip=0 vif=0 ac=0 vm=0 rf=1 nt=0 iopl=0x0
  status=

   %esp = 0x08047cdc
%trapno = 0x0
   %err = 0x0

	To get the stack.
$c
main+0x99(1, 8047d2c, 8047d34, 8050de0, 0, 0)
_start+0x83(1, 8047df0, 0, 8047df9, 8047e36, 8047e46)

$C
08047d08 main+0x99(1, 8047d2c, 8047d34, 8050de0, 0, 0)
08047d20 _start+0x83(1, 8047df0, 0, 8047df9, 8047e36, 8047e46)
	To guit from the adb deugger.
$q