Manual: gnusync

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: 
       Report any translation bugs to 

SEE ALSO
       fdatasync(2), fsync(2), sync(2), syncfs(2)

       Full documentation 
       or available locally via: info '(coreutils) sync invocation'

       Packaged by Ubuntu (9.7-3ubuntu2)
       Copyright © 2025 Free Software Foundation, Inc.
       License GPLv3+: GNU GPL version 3 or later .
       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					January 2026						     SYNC(1)