Introduction to the advanced functions of cmd command in Windows system

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command prompt (command prompt) in the windows operating system is a powerful tool that allows users to control computer and perform various operations through commands. in addition basic commands, command also provides many advanced functions. this article will introduce some commonly used functions provide specific code examples. <

1. pipe operator (|) h3>

the pipe use output of one command as input another realize connection between for example, can be piped for filtering or processing.

sample code: p>

dir | find ".txt"< pre>
the above list all files current directory find< code> filter out containing ".txt" suffix. 
2. redirection (>, >>)< redirection save file content command. >< overwrite original content, >>< append new at end content. > filelist.txt< saves named filelist.txt< code>. 
3. batch (.bat) 
a batch text contains series execute multiple commands time. through files, automatically improve work efficiency. >@echo off echo hello, world! pause< "hello, world!" pause execution after user presses any key. 
4. loop traverse specified on each item. >for f "tokens="*"" %i (filelist.txt) do %i< open file, line it. 
5. conditional judgment statement (if) 
conditional different according conditions achieve process control. >set var="10" if %var%="=10" ( var 10 ) else not )< results depending value variable var< 
conclusion< prompt wealth help manage more efficiently. by mastering these features, combined with examples, you further your efficiency operational flexibility. i hope provided this readers become proficient using tools. p>

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