NAME
    sync - flush filesystem buffers

SYNOPSIS
    sync [OPTION]

DESCRIPTION
    Force changed blocks to disk, update the super block.

    --help display this help and exit

    --version
    output version information and exit

AUTHOR
    Written by Jim Meyering.

REPORTING BUGS
    Report bugs to <bug-coreutils@gnu.org>.

COPYRIGHT
    Copyright (C) 2002 Free Software Foundation, Inc.
    This is free software; see the source for copying conditions. There is
    NO warranty; not even for MERCHANTABILITY or FITNESS FOR  A PARTICULAR
    PURPOSE.

SEE ALSO
    The full documentation for sync is maintained as a Texinfo manual. If
    the info and sync programs are properly installed at your site, the
    command

    info sync

    should give you access to the complete manual.