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- root@us5a:~# dd bs=1M count=128 if=/dev/zero of=test conv=fdatasync
 
 - 128+0 records in
 
 - 128+0 records out
 
 - 134217728 bytes (134 MB) copied, 0.487536 s, 275 MB/s
 
 - root@us5a:~# dd bs=1M count=128 if=/dev/zero of=test oflag=dsync
 
 - 128+0 records in
 
 - 128+0 records out
 
 - 134217728 bytes (134 MB) copied, 0.535619 s, 251 MB/s
 
 - root@us5a:~# wget cachefly.cachefly.net/100mb.bin
 
 - --2013-02-15 23:43:35--  http://cachefly.cachefly.net/100mb.bin
 
 - Resolving cachefly.cachefly.net... 205.234.175.175
 
 - Connecting to cachefly.cachefly.net|205.234.175.175|:80... connected.
 
 - HTTP request sent, awaiting response... 200 OK
 
 - Length: 104857600 (100M) [application/octet-stream]
 
 - Saving to: “100mb.bin”
 
  
- 100%[========================================================================================>] 104,857,600 20.3M/s   in 5.0s    
 
  
- 2013-02-15 23:43:40 (20.0 MB/s) - “100mb.bin” saved [104857600/104857600]
 
 
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