コマンド プロンプト (cmd.exe) のコマンドライン文字列の制限This article discusses the limitation to the length of the strings that you use from the command prompt in Command Prompt (Cmd.exe). It also provides methods that you can use to work around this limitation. Applies to: Windows Server 2012 R2, Windows Server 2008 R2 Service Pack 1, Windows 7 Service Pack 1 Original KB number: 830473 More information The maximum length of the string that you can
