The command "ls" prints a list of names of files and directories to the standard output. If file names are given as arguments, the names will be echoed on the output. If directory names are given as arguments, their contents will be shown.
OPTION
-l If the option "-l" (ell) is supplied ls will show a full line of information for each entry. The data fields shown are: name, logical size of data fork in bytes, logical size of resource fork creator signature, type, creation date, and modification date.