NAME

sync − update super-block

SYNOPSIS

sync()

DESCRIPTION

sync() writes out all information in core memory that should be on disk.  This includes modified super blocks, modified inodes, and delayed block I/O. 

sync() should be used by programs that examine a file system, for example fsck(8), df(1), etc.  sync() is mandatory before a boot. 

SEE ALSO

fsync(2), cron(8)

BUGS

The writing, although scheduled, is not necessarily complete upon return from sync(). 

Sun Release 4.0  —  Last change: 27 January 1988