Comandos de la terminal/sync

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[rrc@Llawyr ~]$ sync --help
Usage: sync [OPTION]
Force changed blocks to disk, update the super block.

      --help     display this help and exit
      --version  output version information and exit

Report sync bugs to
GNU coreutils home page: <>
General help using GNU software: <>
For complete documentation, run: info coreutils 'sync invocation'

[rrc@Llawyr ~]$ sync --version
sync (coreutils) 8.21
Copyright (C) 2013 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <>.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

Written by Jim Meyering.