For example, typing the command antidir *.exe will show the opposite of what dir *.exe will show you which is everything but the *.exe files.

By default, AntiDir also shows all hidden files (since this is the opposite of what dir does) and tells you whether it's a system file, read only and/or directory. Filter flags are provided to filter out files with these attributes.

SYNTAX: AntiDir [file-filters] [filter-flags]
FILTER FLAGS: filter out a type of file:

Check out this sample output with the following commands in my messy root directory:

I find it useful for finding garbage files that accumulate in directories with a lot of files. I keep filtering out more and more files until I'm left with the remaining garbage files.