Selecti or drop .DS_* below the directory and it is done. It is the simple tool that it deletes the _* file.

We would like to delete as a method of using which is easiest to understand,.DS_*. The _* file is included, (probably will be) on the idea contest of this DeleteDotFiles drop please do the folder. It is included in the folder which drop is done, .DS_*. Searching the _* file to class under, it lumps together deletes.

It corresponded to plural folder selection processing. Processing is processed recursively vis-a-vis the plural folders which drop are done.
Also, deletion settings are possible, other than for _* files .