replace: add page (#4482)

pages/windows/replace.md

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+# replace
+
+> Replace files.
+> See also: `robocopy`, `move`, `copy`, and `del`.
+> More information: <https://docs.microsoft.com/windows-server/administration/windows-commands/replace>.
+
+- Replace the destination file with the one from the source directory:
+
+`replace {{path/to/file_or_directory}} {{path/to/destination}}`
+
+- Add files to the destination directory instead of replacing existing files:
+
+`replace {{path/to/file_or_directory}} {{path/to/destination}} /a`
+
+- Interactively copy multiple files, with a prompt before replacing or adding a destination file:
+
+`replace {{path/to/file_or_directory}} {{path/to/destination}} /p`
+
+- Replace even read only files:
+
+`replace {{path/to/file_or_directory}} {{path/to/destination}} /r`
+
+- Wait for you to insert a disk before it replaces files (originally to allow inserting a floppy disk):
+
+`replace {{path/to/file_or_directory}} {{path/to/destination}} /w`
+
+- Replace all files in subfolders of the destination:
+
+`replace {{path/to/file_or_directory}} {{path/to/destination}} /s`
+
+- Replace only files in the destination directory which are older than the files in the source directory:
+
+`replace {{path/to/file_or_directory}} {{path/to/destination}} /u`
+
+- Display detailed usage information:
+
+`replace /?`