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Usage: cvs remove [-flR] [files...]
        -f      Delete the file before removing it.
...

And from the Subversion help text:

delete (del, remove, rm): Remove files and directories from version control.
usage: 1. delete PATH...
       2. delete URL...

  1. Each item specified by a PATH is scheduled for deletion upon
    the next commit.  Files, and directories that have not been
    committed, are immediately removed from the working copy.
    PATHs that are, or contain, unversioned or modified items will
    not be removed unless the --force option is given.
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James.