rsync

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Rsync
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#NB remote host can be entry in .ssh/config

#flags

-v, –verbose Verbose output
-q, –quiet suppress message output
-a, –archive archive files and directory while synchronizing ( -a equal to following options -rlptgoD)
-r, –recursive sync files and directories recursively
-b, –backup take the backup during synchronization
-u, –update don’t copy the files from source to destination if destination files are newer
-l, –links copy symlinks as symlinks during the sync
-n, –dry-run perform a trial run without synchronization
-e, –rsh=COMMAND mention the remote shell to use in rsync
-z, –compress compress file data during the transfer
-h, –human-readable display the output numbers in a human-readable format
–progress show the sync progress during transfer
-P keep partial files