[D:\Program Files\4nt]rename /?
Rename files or subdirectories.

RENAME [/A:[[-]rhsda] /E /I"text" /NPQST] old_name... new_name
        /A:(ttribute select)    /P(rompt)
        /E (no error messages)  /Q(uiet)
        /I (match description)  /S(ubdirectory)
        /N(othing)              /T(otal)

[D:\Program Files\4nt]