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/>
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 (9.7-3)
Copyright © 2025 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <https://gnu.org/li-
censes/gpl.html>.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
GNU coreutils 9.7 June 2025 SYNC(1)
Generated by dwww version 1.16 on Tue Dec 16 04:27:21 CET 2025.