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du - Online in the Cloud

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du - estimate file space usage


du [OPTION]... [FILE]...
du [OPTION]... --files0-from=F


Summarize disk usage of the set of FILEs, recursively for directories.

Mandatory arguments to long options are mandatory for short options too.

-0, --null
end each output line with NUL, not newline

-a, --all
write counts for all files, not just directories

print apparent sizes, rather than disk usage; although the apparent size is usually
smaller, it may be larger due to holes in ('sparse') files, internal fragmentation,
indirect blocks, and the like

-B, --block-size=SIZE
scale sizes by SIZE before printing them; e.g., '-BM' prints sizes in units of
1,048,576 bytes; see SIZE format below

-b, --bytes
equivalent to '--apparent-size --block-size=1'

-c, --total
produce a grand total

-D, --dereference-args
dereference only symlinks that are listed on the command line

-d, --max-depth=N
print the total for a directory (or file, with --all) only if it is N or fewer
levels below the command line argument; --max-depth=0 is the same as --summarize

summarize disk usage of the NUL-terminated file names specified in file F; if F is
-, then read names from standard input

-H equivalent to --dereference-args (-D)

-h, --human-readable
print sizes in human readable format (e.g., 1K 234M 2G)

list inode usage information instead of block usage

-k like --block-size=1K

-L, --dereference
dereference all symbolic links

-l, --count-links
count sizes many times if hard linked

-m like --block-size=1M

-P, --no-dereference
don't follow any symbolic links (this is the default)

-S, --separate-dirs
for directories do not include size of subdirectories

--si like -h, but use powers of 1000 not 1024

-s, --summarize
display only a total for each argument

-t, --threshold=SIZE
exclude entries smaller than SIZE if positive, or entries greater than SIZE if

--time show time of the last modification of any file in the directory, or any of its

show time as WORD instead of modification time: atime, access, use, ctime or status

show times using STYLE, which can be: full-iso, long-iso, iso, or +FORMAT; FORMAT
is interpreted like in 'date'

-X, --exclude-from=FILE
exclude files that match any pattern in FILE

exclude files that match PATTERN

-x, --one-file-system
skip directories on different file systems

--help display this help and exit

output version information and exit

Display values are in units of the first available SIZE from --block-size, and the
DU_BLOCK_SIZE, BLOCK_SIZE and BLOCKSIZE environment variables. Otherwise, units default
to 1024 bytes (or 512 if POSIXLY_CORRECT is set).

The SIZE argument is an integer and optional unit (example: 10K is 10*1024). Units are
K,M,G,T,P,E,Z,Y (powers of 1024) or KB,MB,... (powers of 1000).


PATTERN is a shell pattern (not a regular expression). The pattern ? matches any one
character, whereas * matches any string (composed of zero, one or multiple characters).
For example, *.o will match any files whose names end in .o. Therefore, the command

du --exclude='*.o'

will skip all files and subdirectories ending in .o (including the file .o itself).

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