LINUX COMMANDS

du [options] [directories]

Print disk usage (as the number of 1 KB blocks used by each named directory and its subdirectories; default is the current directory).

Options
-0, --null
End output lines with null, not newline.
-a, --all
Print disk usage for all files, not just subdirectories.
--apparent-size
Print the apparent sizes, not disk usage.

du [options] [directories]

Print disk usage (as the number of 1 KB blocks used by each named directory and its subdirectories; default is the current directory).

Linux Commad Options:
-0, --null
End output lines with null, not newline.
-a, --all
Print disk usage for all files, not just subdirectories.
--apparent-size
Print the apparent sizes, not disk usage.

-b, --bytes
Print sizes in bytes.
-B bytes, --block-size=bytes
Use the specified number of bytes for the blocksize.
-c, --total
In addition to normal output, print grand total of all arguments.
-D, --dereference-args
Follow symbolic links, but only if they are command-linearguments.
--exclude=pattern
Exclude files that match pattern.
-h, --human-readable
Print sizes in human-readable format.
-H, --si
Like -h, but show as power of 1000 rather than 1024. -H also produces a warning.
--help
Print help message and then exit.
-k, --kilobytes
Print sizes in kilobytes (this is the default).
-l, --count-links
Count the size of all files, whether or not they have already appeared (i.e., via a hard link).
-L, --dereference
Follow symbolic links.
-m Print sizes in megabytes.
--max-depth=num
Report sizes for directories only down to num levels below the starting point (which is level 0).
-P, --no-dereference
Do not follow symbolic links (the default).
-s, --summarize
Print only the grand total for each named directory.
-S, --separate-dirs
Do not include the sizes of subdirectories when totaling the size of parent directories.
--time[=word]
Print the last-modification time. With word, show the time as one of the following, not as modification time: atime, access, use, ctime, or status.
--time-style=style
Show times using the specified style. Possible values are: full-iso, long-iso, iso, +format (interpreted as in date). Used with --time.
--version
Print the version and then exit.

-x, --one-file-system
Display usage of files in current filesystem only.
-X file, --exclude-from=file
Exclude files that match any pattern in file.

Examples: