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the result of "df -h" shows below:

/dev/sda1       5.6G  3.2G  2.2G   60% /
udev            992M  4.0K  992M    1% /dev
tmpfs           401M  752K  401M    1% /run
none            5.0M     0  5.0M    0% /run/lock
none           1002M     0 1002M    0% /run/shm

the result of "du -hs /" shows below:

1.7G    /

Why is that?

Emiya Kiritsugu
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1 Answers1

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df and du measure two different things....

du reports the space used by files and folders--even this is more than the file size. A few quick experiments on my system show that 4K is a minimum file size in terms of disk space.

df reports the space used by the file system. This includes the overhead for journals and inode tables and such.

http://www.linuxquestions.org/questions/linux-general-1/du-vs-df-huge-difference%3B-disk-space-vanishing-539185/#post2678197

steakunderscore
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