sync(1) — Linux manual page

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 © 2024 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'

COLOPHON

       This page is part of the coreutils (basic file, shell and text
       manipulation utilities) project.  Information about the project
       can be found at ⟨http://www.gnu.org/software/coreutils/⟩.  If you
       have a bug report for this manual page, see
       ⟨http://www.gnu.org/software/coreutils/⟩.  This page was obtained
       from the tarball coreutils-9.5.tar.xz fetched from
       ⟨http://ftp.gnu.org/gnu/coreutils/⟩ on 2024-06-14.  If you
       discover any rendering problems in this HTML version of the page,
       or you believe there is a better or more up-to-date source for
       the page, or you have corrections or improvements to the
       information in this COLOPHON (which is not part of the original
       manual page), send a mail to man-pages@man7.org

GNU coreutils 9.5              March 2024                        SYNC(1)

Pages that refer to this page: bdflush(2), fsync(2), quotactl(2), sync(2), proc_sys_vm(5), btrfs-filesystem(8)

---