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.Dd 2015-10-08
.Dt SYNC 1
.Os sbase
.Sh NAME
.Nm sync
.Nd flush disk cache
.Sh SYNOPSIS
.Nm
.Sh DESCRIPTION
.Nm
invokes
.Xr sync 2
to flush all unwritten changes to disk.
This is usually done before shutting down, rebooting or halting.
.Sh SEE ALSO
.Xr fsync 2 ,
.Xr sync 2