以 ASCII、十进制、十六进制或八进制显示文件内容。

		
[root@localhost ~]# hexdump -C /bin/ls | head 
00000000  7f 45 4c 46 02 01 01 00  00 00 00 00 00 00 00 00  |.ELF............|
00000010  03 00 3e 00 01 00 00 00  00 5e 00 00 00 00 00 00  |..>......^......|
00000020  40 00 00 00 00 00 00 00  38 0b 04 00 00 00 00 00  |@.......8.......|
00000030  00 00 00 00 40 00 38 00  0a 00 40 00 1f 00 1e 00  |....@.8...@.....|
00000040  06 00 00 00 04 00 00 00  40 00 00 00 00 00 00 00  |........@.......|
00000050  40 00 00 00 00 00 00 00  40 00 00 00 00 00 00 00  |@.......@.......|
00000060  30 02 00 00 00 00 00 00  30 02 00 00 00 00 00 00  |0.......0.......|
00000070  08 00 00 00 00 00 00 00  03 00 00 00 04 00 00 00  |................|
00000080  70 02 00 00 00 00 00 00  70 02 00 00 00 00 00 00  |p.......p.......|
00000090  70 02 00 00 00 00 00 00  1c 00 00 00 00 00 00 00  |p...............|
		
neo@MacBook-Pro-Neo ~ % hexdump -C /bin/ls | head 
00000000  cf fa ed fe 07 00 00 01  03 00 00 00 02 00 00 00  |................|
00000010  13 00 00 00 10 07 00 00  85 00 20 00 00 00 00 00  |.......... .....|
00000020  19 00 00 00 48 00 00 00  5f 5f 50 41 47 45 5a 45  |....H...__PAGEZE|
00000030  52 4f 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |RO..............|
00000040  00 00 00 00 01 00 00 00  00 00 00 00 00 00 00 00  |................|
00000050  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000060  00 00 00 00 00 00 00 00  19 00 00 00 28 02 00 00  |............(...|
00000070  5f 5f 54 45 58 54 00 00  00 00 00 00 00 00 00 00  |__TEXT..........|
00000080  00 00 00 00 01 00 00 00  00 50 00 00 00 00 00 00  |.........P......|
00000090  00 00 00 00 00 00 00 00  00 50 00 00 00 00 00 00  |.........P......|