sync
Synchronize cached writes to persistent storage
TLDR
Flush all pending write operations on all disks
Flush all pending write operations on a single file to disk
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.
REPORTING BUGS
GNU coreutils online help:
<https://www.gnu.org/software/coreutils/>
Report any translation bugs to
<https://translationproject.org/team/>
COPYRIGHT
Copyright © 2022 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.
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'
AUTHOR
Written by Jim Meyering and Giuseppe Scrivano.
