$ cat /proc/self/maps | grep `which cat`
08048000-08054000 r-xp 00000000 08:01 788936     /usr/bin/cat
08054000-08055000 r--p 0000b000 08:01 788936     /usr/bin/cat
08055000-08056000 rw-p 0000c000 08:01 788936     /usr/bin/cat

$ readelf -S -l `which cat`
There are 28 section headers, starting at offset 0xc304:

Section Headers:
  [Nr] Name              Type            Addr     Off    Size   ES Flg Lk Inf Al
  [ 0]                   NULL            00000000 000000 000000 00      0   0  0
  [ 1] .interp           PROGBITS        08048154 000154 000013 00   A  0   0  1
  [ 2] .note.ABI-tag     NOTE            08048168 000168 000020 00   A  0   0  4
  [ 3] .note.gnu.build-i NOTE            08048188 000188 000024 00   A  0   0  4
  [ 4] .gnu.hash         GNU_HASH        080481ac 0001ac 000064 04   A  5   0  4
  [ 5] .dynsym           DYNSYM          08048210 000210 000500 10   A  6   1  4
  [ 6] .dynstr           STRTAB          08048710 000710 00035a 00   A  0   0  1
  [ 7] .gnu.version      VERSYM          08048a6a 000a6a 0000a0 02   A  5   0  2
  [ 8] .gnu.version_r    VERNEED         08048b0c 000b0c 000090 00   A  6   1  4
  [ 9] .rel.dyn          REL             08048b9c 000b9c 000030 08   A  5   0  4
  [10] .rel.plt          REL             08048bcc 000bcc 000238 08   A  5  12  4
  [11] .init             PROGBITS        08048e04 000e04 000023 00  AX  0   0  4
  [12] .plt              PROGBITS        08048e30 000e30 000480 04  AX  0   0 16
  [13] .text             PROGBITS        080492b0 0012b0 006cd4 00  AX  0   0 16
  [14] .fini             PROGBITS        0804ff84 007f84 000014 00  AX  0   0  4
  [15] .rodata           PROGBITS        0804ffc0 007fc0 000ec6 00   A  0   0 64
  [16] .eh_frame_hdr     PROGBITS        08050e88 008e88 000314 00   A  0   0  4
  [17] .eh_frame         PROGBITS        0805119c 00919c 002170 00   A  0   0  4
  [18] .init_array       INIT_ARRAY      08054f08 00bf08 000004 00  WA  0   0  4
  [19] .fini_array       FINI_ARRAY      08054f0c 00bf0c 000004 00  WA  0   0  4
  [20] .jcr              PROGBITS        08054f10 00bf10 000004 00  WA  0   0  4
  [21] .dynamic          DYNAMIC         08054f14 00bf14 0000e8 08  WA  6   0  4
  [22] .got              PROGBITS        08054ffc 00bffc 000004 04  WA  0   0  4
  [23] .got.plt          PROGBITS        08055000 00c000 000128 04  WA  0   0  4
  [24] .data             PROGBITS        08055140 00c140 000080 00  WA  0   0 32
  [25] .bss              NOBITS          080551c0 00c1c0 000584 00  WA  0   0 64
  [26] .comment          PROGBITS        00000000 00c1c0 00004e 01  MS  0   0  1
  [27] .shstrtab         STRTAB          00000000 00c20e 0000f6 00      0   0  1
Key to Flags:
  W (write), A (alloc), X (execute), M (merge), S (strings)
  I (info), L (link order), G (group), T (TLS), E (exclude), x (unknown)
  O (extra OS processing required) o (OS specific), p (processor specific)

Elf file type is EXEC (Executable file)
Entry point 0x8049e7d
There are 9 program headers, starting at offset 52

Program Headers:
  Type           Offset   VirtAddr   PhysAddr   FileSiz MemSiz  Flg Align
  PHDR           0x000034 0x08048034 0x08048034 0x00120 0x00120 R E 0x4
  INTERP         0x000154 0x08048154 0x08048154 0x00013 0x00013 R   0x1
      [Requesting program interpreter: /lib/ld-linux.so.2]
  LOAD           0x000000 0x08048000 0x08048000 0x0b30c 0x0b30c R E 0x1000
  LOAD           0x00bf08 0x08054f08 0x08054f08 0x002b8 0x0083c RW  0x1000
  DYNAMIC        0x00bf14 0x08054f14 0x08054f14 0x000e8 0x000e8 RW  0x4
  NOTE           0x000168 0x08048168 0x08048168 0x00044 0x00044 R   0x4
  GNU_EH_FRAME   0x008e88 0x08050e88 0x08050e88 0x00314 0x00314 R   0x4
  GNU_STACK      0x000000 0x00000000 0x00000000 0x00000 0x00000 RW  0x10
  GNU_RELRO      0x00bf08 0x08054f08 0x08054f08 0x000f8 0x000f8 R   0x1

 Section to Segment mapping:
  Segment Sections...
   00
   01     .interp
   02     .interp .note.ABI-tag .note.gnu.build-id .gnu.hash .dynsym .dynstr .gnu.version .gnu.version_r .rel.dyn .rel.plt .init .plt .text .fini .rodata .eh_frame_hdr .eh_frame
   03     .init_array .fini_array .jcr .dynamic .got .got.plt .data .bss
   04     .dynamic
   05     .note.ABI-tag .note.gnu.build-id
   06     .eh_frame_hdr
   07
   08     .init_array .fini_array .jcr .dynamic .got