SYNC(1)                       User Commands                       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 con‐
       taining 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/core‐
       utils/>
       Report   any   translation   bugs   to    <https://translationpro‐
       ject.org/team/>

COPYRIGHT
       Copyright  ©  2020 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 <https://www.gnu.org/software/coreutils/sync>
       or available locally via: info '(coreutils) sync invocation'

GNU coreutils 8.32              April 2020                        SYNC(1)