I want to know how to automatically find the Windows installation directory under the DOS prompt. For example, in a batch file, I need to automatically add a file to the system directory. But the system directory is not necessarily C:\WINDOWS\ or C:\WINNT\. How to do this?
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中国DOS联盟论坛 » DOS学习入门 & 精彩文章 （教学室） » Help!
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Posted 2004-02-06 00:00 · 中国 山西 太原 联通
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Posted 2004-02-06 00:00 · 中国 湖北 武汉 电信
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What should it look like? Please explain!
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Posted 2004-02-06 00:00 · 中国 辽宁 沈阳 联通
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It seems there is an environment variable called WINDIR, and the value of this variable is the installation directory of WINDOWS. I can't remember clearly. Please help think about it.
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Posted 2004-02-07 00:00 · 中国 广东 佛山 三水区 电信
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Yes, you can use %WINRAR% to find the Windows installation directory. If you want to copy a file to this directory, you can use: copy XXXX.XXX %WINDIR% and note that WINDIR must be in uppercase.
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Posted 2004-02-09 00:00 · 中国 山西 太原 联通
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Then can I use a %systemroot%?
It's like this.
del %systemroot%\temp\*.* /q /f
It's like this.
del %systemroot%\temp\*.* /q /f
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Posted 2004-02-09 00:00 · 中国 广东 佛山 三水区 电信
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Is there an environment variable called systemroot? In DOS, you can use the SET command to find all environment variables.
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Posted 2004-02-09 00:00 · 中国 香港
Below is the quote from Gu Huo Long on 2004-2-9 9:07:26:
Can I use a %systemroot% then?
This is the case.
del%systemroot%\temp\*.*/q/f
Then it's better to use %temp%
Below is the quote from mys on 2004-2-9 11:41:33:
Is there the systemroot environment variable? You can use the SET command under DOS to find out all environment variables.
It exists in NT based systems
Can I use a %systemroot% then?
This is the case.
del%systemroot%\temp\*.*/q/f
Then it's better to use %temp%
Below is the quote from mys on 2004-2-9 11:41:33:
Is there the systemroot environment variable? You can use the SET command under DOS to find out all environment variables.
It exists in NT based systems
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Posted 2004-02-11 00:00 · 中国 山西 太原 联通
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That %SYSTEMROOT% cannot be found in the variables, but it can be used.
SORRY. I mean it can be used in the command prompt of XP, WIN2003. Maybe it's a system - reserved one.
SORRY. I mean it can be used in the command prompt of XP, WIN2003. Maybe it's a system - reserved one.
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