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.
sync only file data, no unneeded metadata
sync the file systems that contain the files
display this help and exit
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.
GNU coreutils online help:
<https://www.gnu.org/software/coreutils/>
Report any translation bugs to
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Copyright © 2023 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.
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'