- Flush all pending write operations on all disks:sync- Flush all pending write operations on a single file to disk:sync [path/to/file]
sync [,OPTION/] [,FILE/]...
Synchronize cached writes to persistent storage
If one or more files are specified, sync only them, or their containing file systems.
Persistence guarantees vary per system. See the system calls below for more details.
Written by Jim Meyering and Giuseppe Scrivano.
GNU coreutils online help: <http://www.gnu.org/software/coreutils/> Report sync translation bugs to <http://translationproject.org/team/>
Copyright © 2016 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://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.
fdatasync(2), fsync(2), sync(2), syncfs(2)
Full documentation at: <http://www.gnu.org/software/coreutils/sync> or available locally via: info '(coreutils) sync invocation'