SYNC

sync ? flush filesystem buffers

sync [OPTION]

Force changed blocks to disk, update the super block.

??help

display this help and exit

??version

output version information and exit

Written by Jim Meyering.

Report bugs to <bug-fileutils@gnu.org>.

Copyright © 1999 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.

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.