du

du [options] [directories]

Print disk usage; i.e., the number of 512-byte blocks used Print disk usage; i.e., the number of kilobytes used by each named directory and its subdirectories (default is current directory).

Options

-a

Print usage for all files, not just subdirectories.

-r

Print "cannot open" message if a file or directory is inaccessible.

-s

Print only the grand total for each named directory.