tasklist /m | findstr dvdplaymv Or view properties (right-click → Properties → Digital Signatures / Details).
alias dvdplaymv='vlc dvd://'
mpv dvd:// For mplayer :
where dvdplaymv dir /s dvdplaymv.*
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Below are the most likely explanations and a corresponding guide for each possibility. If you meant dvdplay (the original Windows DVD Player command): Guide to using dvdplay in Windows Purpose: Launches the legacy Windows DVD Player application (present in Windows 98–7, optional in later versions). dvdplaymv
alias dvdplaymv='open -a "DVD Player"' If you meant playing DVDs with mplayer or mpv : Guide to play DVD with mpv (cross-platform) mpv dvd:// --dvd-device=/path/to/DVD Or simply: tasklist /m | findstr dvdplaymv Or view properties