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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 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 any translation bugs to <https://translationproject.org/team/>


COPYRIGHT

       Copyright (C) 2022 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 9.1                 April 2022                           SYNC(1)

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