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中国DOS联盟论坛 The time now is 2026-08-12 20:49 |
47,811 topics / 349,897 posts / today 0 new / 48,256 members |
| DOS学习入门 & 精彩文章 （教学室） » A newbie question |
| Printable Version 614 / 2 |
| Floor1 hotdog | Posted 2003-08-05 00:00 |
| 中级用户 Posts 78 Credits 411 | |
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copy edit.com %RAMD%:\ > NUL
What is the purpose of adding >NUL? rem copy extract.exe %RAMD%:\ > NUL This line is a comment Can it be removed? |
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| Floor2 电吉入侵 | Posted 2003-08-05 00:00 |
| 初级用户 Posts 377 Credits 1,480 | |
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>nul redirects to the null device, so when it runs the screen won't display the command execution process.
rem is a comment and can be removed |
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| Floor3 hotdog | Posted 2003-08-05 00:00 |
| 中级用户 Posts 78 Credits 411 | |
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Got it, got it
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