On 10/16/2015 12:14 PM, Ranjan Maitra wrote:
> I don't know and I am not an expert. However, from experiment, observation and inference, I have noticed that unless the usb is mounted, dd does not copy to the device. (This happened as recently as last week).
Sure it does....
[root@meimei tmp]# cat ones
111111111111111111111111111111111111111111111111111111111111111111111111111111
1111111111111111111111111111111111111111111111111111111111111111111111111111111
111111111111111111111111111111111111111111111111111111111111111111111111111111
[root@meimei tmp]# df
Filesystem 1K-blocks Used Available Use% Mounted on
devtmpfs 4071532 0 4071532 0% /dev
tmpfs 4082428 327808 3754620 9% /dev/shm
tmpfs 4082428 1520 4080908 1% /run
tmpfs 4082428 0 4082428 0% /sys/fs/cgroup
/dev/sda2 50264772 17507156 30181232 37% /
tmpfs 4082428 96 4082332 1% /tmp
/dev/sdb1 480589520 12122308 444031552 3% /home
/dev/sda1 487652 135783 322173 30% /boot
/dev/sda5 894266040 397001636 451815240 47% /opt
tmpfs 816488 0 816488 0% /run/user/985
ds:/volume1/video 2879621632 1108568832 1770950400 39% /home/egreshko/Videos
tmpfs 816488 28 816460 1% /run/user/1029
[root@meimei tmp]# dd if=ones of=/dev/sdg
0+1 records in
0+1 records out
239 bytes (239 B) copied, 0.00298501 s, 80.1 kB/s
[root@meimei tmp]# cat /dev/sdg | more
111111111111111111111111111111111111111111111111111111111111111111111111111111
1111111111111111111111111111111111111111111111111111111111111111111111111111111
111111111111111111111111111111111111111111111111111111111111111111111111111111
"f�f�Vf�f!�uf�����r���f�F�������fa��b
f�fFf��0�r�>�}U�����{Z_����
^���>b��<
u��▒���
--
In reality, some people should stick to running Windows and others should stay away from computers altogether.
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