du58@du58:~$ sudo swapon -s
Filename				Type		Size	Used	Priority
/dev/sda5                               partition	392188	173788	-1
du58@du58:~$ sudo dd if=/dev/sda5 bs=1k count=1 skip=1000 | hexdump -C
1+0 records in
1+0 records out
1024 bytes (1.0 kB) copied, 0.0305334 s, 33.5 kB/s
00000000  0a 00 20 00 20 00 20 00  20 00 20 00 20 00 20 00  |.. . . . . . . .|
00000010  20 00 2f 00 2f 00 20 00  54 00 4f 00 44 00 4f 00  | ././. .T.O.D.O.|
00000020  3a 00 20 00 54 00 68 00  69 00 73 00 20 00 73 00  |:. .T.h.i.s. .s.|
00000030  68 00 6f 00 75 00 6c 00  64 00 20 00 75 00 73 00  |h.o.u.l.d. .u.s.|
00000040  65 00 20 00 64 00 72 00  61 00 67 00 73 00 74 00  |e. .d.r.a.g.s.t.|
00000050  61 00 72 00 74 00 20 00  62 00 75 00 74 00 20 00  |a.r.t. .b.u.t. .|
00000060  65 00 64 00 69 00 74 00  6f 00 72 00 20 00 63 00  |e.d.i.t.o.r. .c.|
00000070  6f 00 64 00 65 00 20 00  69 00 73 00 20 00 73 00  |o.d.e. .i.s. .s.|
00000080  74 00 69 00 6c 00 6c 00  20 00 75 00 73 00 69 00  |t.i.l.l. .u.s.i.|
00000090  6e 00 67 00 0a 00 20 00  20 00 20 00 20 00 20 00  |n.g... . . . . .|
000000a0  20 00 20 00 20 00 2f 00  2f 00 20 00 20 00 20 00  | . . ././. . . .|
000000b0  20 00 20 00 20 00 20 00  74 00 68 00 65 00 20 00  | . . . .t.h.e. .|
000000c0  6f 00 6c 00 64 00 20 00  64 00 72 00 61 00 67 00  |o.l.d. .d.r.a.g.|
000000d0  20 00 26 00 20 00 64 00  72 00 6f 00 70 00 20 00  | .&. .d.r.o.p. .|
000000e0  41 00 50 00 49 00 73 00  2c 00 20 00 73 00 6f 00  |A.P.I.s.,. .s.o.|
000000f0  20 00 77 00 65 00 20 00  68 00 61 00 76 00 65 00  | .w.e. .h.a.v.e.|
00000100  20 00 74 00 6f 00 20 00  68 00 61 00 6e 00 64 00  | .t.o. .h.a.n.d.|
00000110  6c 00 65 00 20 00 64 00  72 00 61 00 67 00 67 00  |l.e. .d.r.a.g.g.|
00000120  65 00 73 00 74 00 75 00  72 00 65 00 2e 00 0a 00  |e.s.t.u.r.e.....|
00000130  20 00 20 00 20 00 20 00  20 00 20 00 20 00 20 00  | . . . . . . . .|
00000140  2f 00 2f 00 20 00 20 00  20 00 20 00 20 00 20 00  |/./. . . . . . .|
00000150  20 00 54 00 68 00 69 00  73 00 20 00 63 00 61 00  | .T.h.i.s. .c.a.|
00000160  6e 00 20 00 62 00 65 00  20 00 63 00 68 00 61 00  |n. .b.e. .c.h.a.|
00000170  6e 00 67 00 65 00 64 00  20 00 6f 00 6e 00 63 00  |n.g.e.d. .o.n.c.|
00000180  65 00 20 00 65 00 64 00  69 00 74 00 6f 00 72 00  |e. .e.d.i.t.o.r.|
00000190  20 00 63 00 6f 00 64 00  65 00 20 00 69 00 73 00  | .c.o.d.e. .i.s.|
000001a0  20 00 75 00 70 00 64 00  61 00 74 00 65 00 64 00  | .u.p.d.a.t.e.d.|
000001b0  20 00 74 00 6f 00 20 00  74 00 68 00 65 00 20 00  | .t.o. .t.h.e. .|
000001c0  6e 00 65 00 77 00 20 00  41 00 50 00 49 00 2e 00  |n.e.w. .A.P.I...|
000001d0  0a 00 20 00 20 00 20 00  20 00 20 00 20 00 20 00  |.. . . . . . . .|
000001e0  20 00 2f 00 2f 00 20 00  20 00 20 00 20 00 20 00  | ././. . . . . .|
000001f0  20 00 20 00 53 00 65 00  65 00 20 00 62 00 75 00  | . .S.e.e. .b.u.|
00000200  67 00 20 00 34 00 39 00  39 00 30 00 30 00 38 00  |g. .4.9.9.0.0.8.|
00000210  20 00 66 00 6f 00 72 00  20 00 64 00 65 00 74 00  | .f.o.r. .d.e.t.|
00000220  61 00 69 00 6c 00 73 00  2e 00 0a 00 0a 00 20 00  |a.i.l.s....... .|
00000230  20 00 20 00 20 00 20 00  20 00 20 00 20 00 2f 00  | . . . . . . ./.|
00000240  2f 00 20 00 44 00 72 00  61 00 67 00 20 00 6f 00  |/. .D.r.a.g. .o.|
00000250  6e 00 6c 00 79 00 20 00  69 00 66 00 20 00 74 00  |n.l.y. .i.f. .t.|
00000260  68 00 65 00 20 00 67 00  65 00 73 00 74 00 75 00  |h.e. .g.e.s.t.u.|
00000270  72 00 65 00 20 00 73 00  74 00 61 00 72 00 74 00  |r.e. .s.t.a.r.t.|
00000280  73 00 20 00 66 00 72 00  6f 00 6d 00 20 00 74 00  |s. .f.r.o.m. .t.|
00000290  68 00 65 00 20 00 69 00  6e 00 70 00 75 00 74 00  |h.e. .i.n.p.u.t.|
000002a0  20 00 66 00 69 00 65 00  6c 00 64 00 2e 00 0a 00  | .f.i.e.l.d.....|
000002b0  20 00 20 00 20 00 20 00  20 00 20 00 20 00 20 00  | . . . . . . . .|
000002c0  69 00 66 00 20 00 28 00  65 00 76 00 65 00 6e 00  |i.f. .(.e.v.e.n.|
000002d0  74 00 2e 00 6f 00 72 00  69 00 67 00 69 00 6e 00  |t...o.r.i.g.i.n.|
000002e0  61 00 6c 00 54 00 61 00  72 00 67 00 65 00 74 00  |a.l.T.a.r.g.e.t.|
000002f0  20 00 21 00 3d 00 20 00  74 00 68 00 69 00 73 00  | .!.=. .t.h.i.s.|
00000300  2e 00 69 00 6e 00 70 00  75 00 74 00 46 00 69 00  |..i.n.p.u.t.F.i.|
00000310  65 00 6c 00 64 00 29 00  0a 00 20 00 20 00 20 00  |e.l.d.)... . . .|
00000320  20 00 20 00 20 00 20 00  20 00 20 00 20 00 72 00  | . . . . . . .r.|
00000330  65 00 74 00 75 00 72 00  6e 00 3b 00 0a 00 0a 00  |e.t.u.r.n.;.....|
00000340  20 00 20 00 20 00 20 00  20 00 20 00 20 00 20 00  | . . . . . . . .|
00000350  2f 00 2f 00 20 00 44 00  72 00 61 00 67 00 20 00  |/./. .D.r.a.g. .|
00000360  6f 00 6e 00 6c 00 79 00  20 00 69 00 66 00 20 00  |o.n.l.y. .i.f. .|
00000370  74 00 68 00 65 00 20 00  65 00 6e 00 74 00 69 00  |t.h.e. .e.n.t.i.|
00000380  72 00 65 00 20 00 76 00  61 00 6c 00 75 00 65 00  |r.e. .v.a.l.u.e.|
00000390  20 00 69 00 73 00 20 00  73 00 65 00 6c 00 65 00  | .i.s. .s.e.l.e.|
000003a0  63 00 74 00 65 00 64 00  20 00 61 00 6e 00 64 00  |c.t.e.d. .a.n.d.|
000003b0  20 00 69 00 74 00 27 00  73 00 20 00 61 00 20 00  | .i.t.'.s. .a. .|
000003c0  76 00 61 00 6c 00 69 00  64 00 20 00 55 00 52 00  |v.a.l.i.d. .U.R.|
000003d0  49 00 2e 00 0a 00 20 00  20 00 20 00 20 00 20 00  |I..... . . . . .|
000003e0  20 00 20 00 20 00 76 00  61 00 72 00 20 00 69 00  | . . .v.a.r. .i.|
000003f0  73 00 46 00 75 00 6c 00  6c 00 53 00 65 00 6c 00  |s.F.u.l.l.S.e.l.|
00000400