usage: ls [-laniyF] <path> : list directory <path>
-l : show long listing
-y : show long listing with backend(tape) status
-lh: show long listing with readable sizes
-a : show hidden files
-i : add inode information
-n : show numerical user/group ids
-F : append indicator '/' to directories
-s : checks only if the directory exists without listing
path=file:... : list on a local file system
path=root:... : list on a plain XRootD server (does not work on native XRootD clusters
path=... : all other paths are considered to be EOS paths!