Provided by: coreutils_8.32-4.1ubuntu1_amd64
sync - Synchronize cached writes to persistent storage
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 --version output version information and exit
Persistence guarantees vary per system. See the system calls below for more details.
Written by Jim Meyering and Giuseppe Scrivano.
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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.