How does NE40/80 check deleted file?
NE40/80 provides recycle-bin. Deleted file with delete command is reserved in recycle bin. The file can be completely deleted with delete /unreserved command.
Files reserved in recycle bin can be displayed with dir /all command, not dir command. The filename is included by "".
NE40/80 clears files in recycle bin with reset recycle-bin command to completely release Flash space.