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HomeSystem TutorialWindows SeriesHow to Find and Delete Duplicate Files in Windows 10 Using CMD

"Hi. My laptop is running slow at times. It takes a minute to boot up and it'll freeze up at times on a webpage. When I try to close the page it doesn't close immediately. I know I have duplicate folders. The issue I'm having is how to identify and delete the RIGHT duplicate files/folders without trashing my laptop. Could someone help me with this? Thanks."

If you have multiple duplicate folders/files on your Windows Computer and want to remove those duplicates, using command can be a good choice. This article will show you how to find and delete duplicate files in Windows 10 using cmd so as to free up and speed up your Laptop/PC.

How to Find and Delete Duplicate Files in Windows 10 Using CMD

  • Part 1: Find and Delete Duplicate Files Using CMD in Command Prompt
  • Part 2: Find and Delete duplicate files using CMD in Windows PowerShell
  • Part 3: Easier and Safer Way to Find and Delete Duplicate Files

1. Find and Delete Duplicate Files Using CMD in Command Prompt

There are various commands that can help you find and remove duplicate files on Windows. Now, let's see one of them. First of all, press Win +Q and enter cmd in search bar. Next, right-click on Command Prompt and run it as an administrator. Then follow the steps as below.

How to Find duplicate files using cmd

Step 1: In Command Prompt window, type cd /d folder path and press Enter.  Before entering the command, locate the folder you want to scan for duplicate files and copy the file path. Then replace folder path with the copied file path.

How to Find and Delete Duplicate Files in Windows 10 Using CMD

Step 3:  Type dir /s /b *.extension and press Enter. Then you will find that the duplicate files are listed in the Command window. Before entering the command, replace extension with the extension of duplicate file you are looking for.

How to Find and Delete Duplicate Files in Windows 10 Using CMD

How to delete duplicate files using cmd

It is worth noting that if you delete duplicate files using del command, the files will be removed from your disk and cannot be retrieved from recycle bin. Now, please follow these steps.

Step 1: In Command Window, set specific location using cmd as step 1 of finding duplicate files.

Step 2: Enter del “* – Copy.png” and hit Enter. Change -Copy.png  into the real file suffix and extension before entering the command. For example, if you want to delete duplicate file with -1 .txt suffix and extension, you need to enter del “* – 1. txt”

How to Find and Delete Duplicate Files in Windows 10 Using CMD

After that, you can delete those unnecessary duplicate files with the same extension successfully.

2. Find and Delete duplicate files using CMD in PowerShell

In addition to Command Prompt, Windows PowerShell also allows you to automatically find and remove duplicate files using cmd. Here come the steps.

Step 1: Right-click on Start menu and choose Windows PowerShell (Admin) to run Windows PowerShell as administrator.

How to Find and Delete Duplicate Files in Windows 10 Using CMD

Step 2: Once PowerShell window pops up, enter set-location –path C: and hit Enter.

Note: Before entering command, replace C: with the drive you want to find duplicate files.

How to Find and Delete Duplicate Files in Windows 10 Using CMD

3단계: Windows PowerShell에서 cmd를 사용하여 중복 파일을 찾으려면 다음 명령을 입력하고 Enter를 누르세요.

ls "폴더 검사" -recurse | 파일해시 가져오기 | 그룹 속성 해시 | 여기서 { $_.count -gt 1 } | % { $_.그룹 } | Out-File -FilePath "스캔 결과 위치"

참고: 여기에서 스캔 폴더를 특정 폴더로 변경하고 스캔 결과 위치를 중복 파일 목록을 내보내려는 경로로 변경해야 합니다.

How to Find and Delete Duplicate Files in Windows 10 Using CMD

위에서 언급했듯이 이 명령은 중복 파일 목록을 생성하며, 목록에 표시된 파일 경로에 따라 중복 파일을 삭제할 수 있습니다.

How to Find and Delete Duplicate Files in Windows 10 Using CMD

4단계: cmd를 사용하여 중복 파일을 자동으로 삭제하려면 다음 명령을 입력하고 Enter를 누르세요.

ls "검색 폴더" -recurse | 파일해시 가져오기 | 그룹 속성 해시 | 여기서 { $_.count -gt 1 } | % { $_.그룹 | 선택 -건너뛰기 1 } | 델

참고: 검색 폴더를 특정 폴더 경로로 바꾸세요.

How to Find and Delete Duplicate Files in Windows 10 Using CMD

3. 중복 파일을 찾고 삭제하는 더 쉽고 안전한 방법

Windows에서 중복 파일을 찾고 삭제하기 위해 cmd를 사용하는 것과 비교할 때, 전문적인 중복 파일 찾기를 사용하는 것이 훨씬 쉬워 보입니다. 여기에서 iSumsoft DupFile Refixer를 꼭 사용해 보세요. iSumsoft DupFile Refixer는 Windows에서 모든 형식의 중복 파일을 자동으로 감지하고 정렬하도록 설계된 유용하고 안정적인 유틸리티입니다. 또한 여러 파일/폴더에 걸쳐 모든 중복 파일을 한 번에 대량 삭제하는 데 도움이 될 수 있습니다.

Windows에 iSumsoft DupFile Refixer를 설치하고 cmd를 사용하지 않고 중복 파일을 찾아 삭제하는 방법을 알아보세요.

다운로드

1단계: 이 중복 파일 찾기를 설치한 후 실행하고 아이콘 추가를 클릭하여 스캔 폴더/드라이브를 선택하세요.

How to Find and Delete Duplicate Files in Windows 10 Using CMD

2단계: 원하는 드라이브/폴더를 스캔 디렉터리에 추가한 후 스캔 시작을 클릭하면 자동으로 중복 파일이 있는지 확인됩니다.

How to Find and Delete Duplicate Files in Windows 10 Using CMD

3단계: 스캔이 완료되면 iSumsoft DupFile Refixer는 파일 이름, 확장자, 크기 및 날짜와 함께 모든 중복 파일을 표시하는 스캔 보고서를 생성합니다. 파일 이름 상자를 클릭하면 모든 중복 파일을 일괄 삭제할 수 있습니다. 중복 파일에 대한 자세한 내용을 확인하려면 해당 파일을 마우스 오른쪽 버튼으로 클릭하고 파일 위치 열기

를 선택하세요. How to Find and Delete Duplicate Files in Windows 10 Using CMD

추가 팁

iSumsoft DupFile Refixer를 사용하면 홈 페이지에서 설정

을 클릭하여 스캔 항목을 필터링하도록 스캔 설정을 사용자 정의할 수 있습니다.

1. 모든 유형

확인란을 선택하면 사진, 비디오, 오디오 등을 포함한 모든 종류의 중복 파일을 검색할 수 있습니다.

2. 특정 크기의 중복 파일을 검색하려면 최소 크기와 최대 크기를 입력할 수 있습니다.

3. 스캔하는 동안 숨겨진 파일, 시스템 파일, 프로그램 파일 및 휴지통에 있는 파일을 건너뛸 수 있습니다.

설정이 완료되면 확인을 클릭하여 설정을 저장하세요.

How to Find and Delete Duplicate Files in Windows 10 Using CMD

🎜

結論

Windows コンピューター上の重複ファイルを見つけて削除するには、コマンドの使用が良いオプションです。ただし、より簡単で安全な方法をお探しの場合は、Windows 上で重複ファイルを正確に見つけて迅速に削除できる、 iSumsoft DupFile Refixer のような効果的で使いやすい重複ファイル ファインダーを使用することをお勧めします。

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