sync - Man Page

Synchronize cached writes to persistent storage

Examples (TL;DR)

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'

Referenced By

bdflush(2), btrfs-filesystem(8), ecryptfs-rewrite-file(1), fsync(2), guestfs-testing(1), proc(5), quotactl(2), sync(2).

February 2021 GNU coreutils 8.32