SYNC(1)

NAME
sync - Synchronize cached writes to persistent storage

SYNOPSIS
sync [OPTION] [FILE]...

DESCRIPTION

Synchronize cached writes to persistent storage

If one or more files are specified, sync only them, or their containing file systems.

-d, --data
    sync only file data, no unneeded metadata

-f, --file-system
    sync the file systems that contain the files

--help
    display this help and exit

--version
    output version information and exit

GNU coreutils online help: <http://www.gnu.org/software/coreutils/> Report sync translation bugs to <http://translationproject.org/team/>

AUTHOR
Written by Jim Meyering and Giuseppe Scrivano.

COPYRIGHT
Copyright © 2013 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.

SEE ALSO
fdatasync(2), fsync(2), sync(2), syncfs(2)

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 coreutils 'sync invocation'

should give you access to the complete manual.