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

BUGS

       Persistence guarantees vary per system.  See the system calls below for more details.

AUTHOR

       Written by Jim Meyering and Giuseppe Scrivano.

REPORTING BUGS

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

COPYRIGHT

       Copyright  ©  2018  Free  Software  Foundation, Inc.  License GPLv3+: GNU GPL version 3 or
       later <https://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)

       Full documentation at: <https://www.gnu.org/software/coreutils/sync>
       or available locally via: info '(coreutils) sync invocation'