disk space calculation
 

Strangely I see two values, with two different ways,

lets say I have PATH_A

with Directory_A
& Directory _B

I want to know the size of Directory_A
First Way
When I say

ls -l PATH_A

it gives size of 335872 for Directory_A ( converting to MB i.e dividing by 1024 twice = approx 0.32MB)

Second Way
when I say

du -k -s PATH_A/Directory_A

I get

113127 [converting to MB i.e. divinding by 1024 once = approx 110MB ]

That's right, they are measuring different things.
http://lists.freebsd.org/pipermail/f...ly/051385.html

My case is reverse

du -k -s gives 110MB
ls -l gives 0.3MB

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