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4 x( u' `7 t0 Z6 s' |' S6 z特权模式下,第一步就不行了,然后ls -l /dev/mtd* 可以看到4 G. ^1 Q) P% e# p$ h
crw------- 1 root root 90, 0 Jan 1 08:00 /dev/mtd0 7 M8 X4 ^+ `4 L: D% l
crw------- 1 root root 90, 1 Jan 1 08:00 /dev/mtd0ro
; P: B1 v& B: Ncrw------- 1 root root 90, 2 Jan 1 08:00 /dev/mtd1 ) @# T9 I0 q6 o8 E& S$ b
crw------- 1 root root 90, 3 Jan 1 08:00 /dev/mtd1ro
) W5 m/ l; y; Q8 X r) O! wcrw------- 1 root root 90, 4 Jan 1 08:00 /dev/mtd2 , ]. C4 _0 m7 `3 Q
crw------- 1 root root 90, 5 Jan 1 08:00 /dev/mtd2ro
+ [: n# g$ C* g, M4 icrw------- 1 root root 90, 6 Jan 1 08:00 /dev/mtd3 + j3 W& _8 B+ |
crw------- 1 root root 90, 7 Jan 1 08:00 /dev/mtd3ro 4 K. t& d9 Z8 d2 @8 E( d0 l! s
brw------- 1 root root 31, 0 Jan 1 08:00 /dev/mtdblock0 2 z: k1 d# J! A5 {- L! Y, X
brw------- 1 root root 31, 1 Jan 1 08:00 /dev/mtdblock1 d" z$ O! y6 d
brw------- 1 root root 31, 2 Jan 1 08:00 /dev/mtdblock2
: r( \& P7 t* i4 r! _brw------- 1 root root 31, 3 Jan 1 08:00 /dev/mtdblock3 & H$ N( n# N& X; L
但是执行有如下错误
' s, |( Z8 i& I7 e7 Dsh-4.3# dd if=fullcat.bin of=/dev/mtd0 ' k* g- S8 o, R- e% O
dd: writing to '/dev/mtd0': No space left on device
|3 i `# [8 l( {1601+0 records in
, w. W" Z! F8 m1600+0 records out # ]; O. b0 U6 W1 E5 t
819200 bytes (819 kB, 800 KiB) copied, 1.40157 s, 584 kB/s
& I1 i. r1 _. x; L' wsh-4.3# dd if=fullcat.bin of=/dev/mtd0ro
# @) y* V* `7 @3 I2 m! cdd: failed to open '/dev/mtd0ro': Permission denied
/ O: m% n' N; ]1 X0 t( V- hsh-4.3# chmod 777 /dev/mtd0ro
# P# ], x' o$ c. Fsh-4.3# dd if=fullcat.bin of=/dev/mtd0ro / g; I' B$ J J: `3 |2 v# c0 C
dd: failed to open '/dev/mtd0ro': Permission denied
7 \7 r1 p7 Q/ L: {& rsh-4.3#
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