[鸟哥笔记]数据同步写入磁盘：sync
-bash-3.2$ man syncSYNC(1) User Commands SYNC(1)NAME sync - flush file system buffersSYNOPSIS sync [OPTION]DESCRIPTION Force changed blocks to disk, update the super block. --help display this help and exit --version output version information and exitAUTHOR Written by Jim Meyering.REPORTING BUGS Report bugs to <bug-coreutils@gnu.org>.COPYRIGHT Copyright (C) 2008 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.SEE ALSO sync(2) The full documentation for sync is maintained as a Texinfo manual. If the info and sync programs are properly installed at your site, the command info coreutils [1msync invocation should give you access to the complete manual.GNU coreutils 6.12 November 2008 SYNC(1)
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