I lost ten percent of disk place in each partition, why?

[Liu Haixiao]

Dir sir:
Please look at this:

%df
Filesystem  1K-blocks    Used    Avail Capacity 
Mounted on
/dev/ad0s1a    253678   36588   196796    16%    /
devfs               1       1        0   100%    /dev
/dev/ad0s2e  20154808 5938198 12604226    32%   
/mnt/s2
/dev/ad0s3e  18803906       2 17299592     0%   
/mnt/s3
/dev/ad0s1e    253678      12   233372     0%    /tmp
/dev/ad0s1f  18836160 1591380 15737888     9%    /usr
/dev/ad0s1d    253678   10452   222932     4%    /var
%

Used + Avail = 0.92 * 1K-blocks, that means I lost 10%
disk space, why? 

Many thanks.

Liu Haixiao


		
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