Not only is it deep, but it's also very mysterious.
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中国DOS联盟论坛 » DOS批处理 & 脚本技术（批处理室） » What does 2>nul 1>nul in batch processing statements mean?
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DigestI
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Floor 46
Posted 2008-02-01 04:35 · 中国 河北 邢台 电信
Floor 47
Posted 2008-02-09 13:03 · 中国 湖北 咸宁 电信
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Can't understand it ,,,...
Floor 48
Posted 2008-02-14 20:56 · 中国 河南 焦作 联通
I can't understand it, I just know that >nul can block the correct output of the screen
>nul 2>nul" can block all screen output
>nul 2>nul" can block all screen output
Floor 49
Posted 2008-02-16 14:27 · 中国 山东 烟台 联通
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Good post, bookmark it
路 是自己选的
学习 是为了具备解决问题的能力
学习 是为了具备解决问题的能力
Floor 50
Posted 2008-03-22 21:41 · 中国 江西 南昌 电信
Learned
There are still some things that are not clear
Studying hard
There are still some things that are not clear
Studying hard
Floor 51
Posted 2008-05-17 03:30 · 中国 江西 上饶 广信区 电信
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Kind of understand, kind of not. Dizzy. Let's practice slowly. Write it down first
Floor 52
Posted 2008-05-17 03:35 · 中国 江西 上饶 广信区 电信
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I really don't know what some people are up to when they just randomly reply with "awesome" "excellent" and such as soon as they come to the forum. Almost every time I enter a topic, I can see a few such people. It's really annoying to see such replies when I'm just getting into learning.
Floor 53
Posted 2008-05-17 08:06 · 中国 辽宁 大连 教育网
Hey, looking at it in a daze
Floor 54
Posted 2008-05-18 11:32 · 中国 河南 周口 联通
I'm a newbie, I'll look at it later
Floor 55
Posted 2008-05-25 11:37 · 中国 广东 惠州 电信
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Floor 3:
You can use VER plus find, like this:
title Check Windows Version
ver|find "5.1.2600" > nul
if "%ERRORLEVEL%"=="1" goto noxp
You can use VER plus find, like this:
title Check Windows Version
ver|find "5.1.2600" > nul
if "%ERRORLEVEL%"=="1" goto noxp
Floor 56
Posted 2008-07-31 18:15 · 中国 云南 昆明 电信
So cool```Looking at these articles, there is an unknown impulse.
Floor 57
Posted 2008-07-31 18:15 · 中国 云南 昆明 电信
So cool```Looking at these articles gives an unknown urge
Floor 58
Posted 2008-11-15 12:09 · 中国 云南 昆明 电信
Originally posted by xjhlhb at 2005-9-14 04:39 PM:
Thanks to the expert in the 2nd floor for the explanation. It seems that such a command is completely correct!
Through such a batch processing, we summarize as follows: 1 REG can read registry information; 2 CALL can call the command segment within this file; 3 GOTO can...
Please refer to the following link:
(Solved) How to judge whether the system is 95/98 or 2000/XP through batch processing
http://www.cn-dos.net/forum/viewthread.php?tid=16963
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