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HD Speed是即时硬盘传输速率分析工具，以图形显示状态，还可检测软盘、DVD、CD传输速率。
命令行格式：
| /r | read test |
| /w | write test |
| /wr | write+read test |
| /wrv | write+read+verify test |
| /d drive | drive to test, eg C: |
| /t time | duration in seconds |
| /b blocksize | block size in KB, eg 64 |
| /x | exit after test |
| /l logfile | file to output result |
| /o percent | drive > |
| /z filename | file to use instead of a drive |
例子(绿lvruan.com盟)如：
start /wait hd_speed /r /t 5 /d c: /x
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