/usr/bin/mdir: invalid option -- '-'
Mtools version 4.0.50, dated October 30th, 2026
Usage: /usr/bin/mdir: [-V] [-w] [-a] [-b] [-s] [-f] msdosdirectory
       /usr/bin/mdir: [-V] [-w] [-a] [-b] [-s] [-f] msdosfile [msdosfiles...]