du Linux Commands

What is Linux du Command?

Explanation

du command is used to report how much disk space a file or directory occupies.

du [options] directories

-a	Displays the usage of space that each file is taking up.
-k	Write the files size in units of 1024 bytes, rather than the default 512-byte units.
-s	Instead of the default output, report only the total sum for each of the specified files.
-L	Process symbolic links by using the file or directory which the symbolic link references, rather than the link itself.
-x	When evaluating file sizes, evaluate only those files that have the same device as the file specified by the file operand.

du -a images
Output:
12
images/daisy.jpg 20
images/flo.gif 76
images/CHILD.gif 12
images/indigo.gif 152
images/flower.gif 12
images/sunflower.jpg 12
images/tulip-flower-clipart5.gif 12
images/flower.jpg 8
images/thumbnail.aspx 8
images/baby.jpg 12
images/woodpecker.gif 168
images/baby.gif 8
images/thumbnail.jpg 1012
images/house.bmp 12
images/peacock.gif 1544
images

Displays the size of each file in the specified directory.
du -s images
Output:
1544
images

Displays the total disk space used by the specified directory.
du -h
Output:
84K

Displays the current folder capacity.
du -h file1.php
Output:
8.0K file1.php

Displays the storage capacity of file1.php.

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