1SYNC(1) User Commands SYNC(1)
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6 sync - Synchronize cached writes to persistent storage
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9 sync [OPTION] [FILE]...
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12 Synchronize cached writes to persistent storage
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14 If one or more files are specified, sync only them, or their containing
15 file systems.
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17 -d, --data
18 sync only file data, no unneeded metadata
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20 -f, --file-system
21 sync the file systems that contain the files
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23 --help display this help and exit
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25 --version
26 output version information and exit
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29 Persistence guarantees vary per system. See the system calls below for
30 more details.
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33 Written by Jim Meyering and Giuseppe Scrivano.
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36 GNU coreutils online help: <https://www.gnu.org/software/coreutils/>
37 Report any translation bugs to <https://translationproject.org/team/>
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40 Copyright © 2019 Free Software Foundation, Inc. License GPLv3+: GNU
41 GPL version 3 or later <https://gnu.org/licenses/gpl.html>.
42 This is free software: you are free to change and redistribute it.
43 There is NO WARRANTY, to the extent permitted by law.
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46 fdatasync(2), fsync(2), sync(2), syncfs(2)
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48 Full documentation <https://www.gnu.org/software/coreutils/sync>
49 or available locally via: info '(coreutils) sync invocation'
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53GNU coreutils 8.31 March 2019 SYNC(1)