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       sync [OPTION] [FILE]...


       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

              output version information and exit

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


       Written by Jim Meyering and Giuseppe Scrivano.


       Copyright  (C) 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.


       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

              info coreutils 'sync invocation'

       should give you access to the complete manual.

GNU coreutils 8.22 November 2020 SYNC(1)

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