OptionsOn du itself
-a
Display an entry for each file in a file hierarchy
-H
Symbolic links on the command line are followed, symbolic links in file hierarchies are not followed
-h
"Human-readable" output. Use unit suffixes: Byte, Kilobyte, Megabyte, Gigabyte, Terabyte and Petabyte
-g
Display block counts in 1073741824-byte (1-Gbyte) blocks
-k
Display block counts in 1024-byte (1-Kbyte) blocks
-m
Display block counts in 1048576-byte (1-Mbyte) blocks
-I
Ignore files and directories matching the specified mask <mask>
-L
Symbolic links on the command line and in file hierarchies are followed
-r
Generate messages about directories that cannot be read, files that cannot be opened, and so on. This is the default case. This option exists solely for conformance with X/Open Portability Guide Issue 4 (``XPG4'')
-P
No symbolic links are followed. This is the default
-d
Display an entry for all files and directories depth directories deep <depth>
-s
Display an entry for each specified file. (Equivalent to -d 0)
-x
Display an entry for each specified file. (Equivalent to -d 0)