2.9BSD/usr/man/cat8/sync.8

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SYNC(8)             UNIX Programmer's Manual              SYNC(8)

NAME
     sync - update the super block

SYNOPSIS
     sync

DESCRIPTION
     _S_y_n_c executes the _s_y_n_c system primitive.  If the system is
     to be stopped, _s_y_n_c must be called to insure file system
     integrity.  See _s_y_n_c(2) for details.

SEE ALSO
     sync(2), update(8), reboot(8)

Printed 12/7/82                                                 1