nm command List symbols from binary file

[root@vikas sharedmem_c]# whatis nm
nm (1) - list symbols from object files
nm (1p) - write the name list of an object file (DEVELOPMENT)
nm-tool (1) - utility to report NetworkManager state

List symbols in an unstripped compiled binary.

[root@vikas sharedmem_c]#
[root@vikas sharedmem_c]# nm b.out
08049678 d _DYNAMIC
08049744 d _GLOBAL_OFFSET_TABLE_
080485d8 R _IO_stdin_used
w _Jv_RegisterClasses
08049668 d __CTOR_END__
08049664 d __CTOR_LIST__
08049670 D __DTOR_END__
0804966c d __DTOR_LIST__
08048660 r __FRAME_END__
08049674 d __JCR_END__
08049674 d __JCR_LIST__
0804976c A __bss_start
08049768 D __data_start
08048590 t __do_global_ctors_aux
080483d0 t __do_global_dtors_aux
080485dc R __dso_handle
w __gmon_start__
08048589 T __i686.get_pc_thunk.bx
08049664 d __init_array_end
08049664 d __init_array_start
08048510 T __libc_csu_fini
08048520 T __libc_csu_init
U __libc_start_main@@GLIBC_2.0
0804976c A _edata
08049774 A _end
080485b8 T _fini
080485d4 R _fp_hw
080482f8 T _init
08048380 T _start
080483a4 t call_gmon_start
08049770 b completed.5645
08049768 W data_start
0804976c b dtor_idx.5647
08048430 t frame_dummy
08048454 T main
U perror@@GLIBC_2.0
U putchar@@GLIBC_2.0
U shmat@@GLIBC_2.0
U shmget@@GLIBC_2.0
[root@vikas sharedmem_c]#