17-LFCS: Linux Essentials ( Working with Directories ) By IT Training and Tutorials
►mkdir : Short for "make directory", mkdir is used to create directories on a file system.If the specified DIRECTORY does not already exist, mkdir creates it. More Options and examples here : http://cut-urls.com/qpkyF
► The rmdir utility removes the directory entry specified by each directory argument, provided the directory is empty.
Arguments are processed in the order given. To remove both a parent directory and a subdirectory of that parent, the subdirectory must be specified first so the parent directory is empty when rmdir tries to remove it. More Options and examples here : http://cut-urls.com/RjSLICkf