SYNC(1) SYNC(1) sync -- sync [] []... . , , . -d, --data , -f, --file-system , --help --version . , . (Jim Meyering) (Giuseppe Scrivano). bug-coreutils@gnu.org GNU coreutils: GNU: Copyright (C) 2026 Free Software Foundation, Inc. GPLv3+: GNU GPL 3 . : . , . fdatasync(2), fsync(2), sync(2), syncfs(2) , info '(coreutils) sync invocation' () ; GNU (GNU General Public License - GPL, 3 ) , - . - , , () () () . GNU coreutils 9.11 2026 . SYNC(1)