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/>

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'

Packaged by Debian (9.7-2)
Copyright © 2025 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.