sync - flush filesystem buffers
Force changed blocks to disk, update the super
display this help and exit
output version information and exit
Written by Jim Meyering.
Report bugs to
Copyright 2001 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
The full documentation for sync is maintained as a
Texinfo manual. If the info and sync programs
are properly installed at your site, the
should give you access to the complete manual.