CosmOS > dir 0 files > mkdir Apps made > mkdir Apps/Deep made > mkdir Notes made > dir Apps Notes 0 files, 2 directories > cd Apps /Apps> dir Deep 0 files, 1 directory /Apps> mkdir Deep cannot make that: check the path, the name, and whether it is taken /Apps> mkdir /Notes/Deep made /Apps> cd /Notes /Notes> dir Deep 0 files, 1 directory /Notes> rmdir /Apps cannot remove that: it must be a directory, and empty /Notes> rmdir /Apps/Deep removed /Notes> delete /Apps that is a directory /Notes> rmdir /Notes/Deep removed /Notes> cd / > mkdir Apps/Deep/Inner cannot make that: check the path, the name, and whether it is taken > rmdir Apps/Deep/Inner cannot remove that: it must be a directory, and empty > rmdir Apps/Deep cannot remove that: it must be a directory, and empty > rmdir Apps removed > rmdir Notes removed > dir 0 files > exit halted Execution halted. [exit 0]