sync

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NAME

       sync - commit buffer cache to disk.


SYNOPSIS

       #include <unistd.h>

       int sync(void);


DESCRIPTION

       sync  first commits inodes to buffers, and then buffers to
       disk.


RETURN VALUE

       sync always returns 0.


CONFORMING TO

       SVID, AT&T, X/OPEN, BSD 4.3


BUGS

       sync() only schedules the writes, so it may return  before
       the actual writing is done.


SEE ALSO

       bdflush(2), fsync(2), update(8), sync(8)
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