The remote-shell transport is used whenever the source or destination path contains a single colon (:) separator after a host There are two different ways for rsync to contact a remote system: using a remote-shell program as the transport (such as ssh or rsh) or contacting an rsyncĭaemon directly via TCP. Rsync copies files either to or from a remote host, or locally on the current host (it does not support copying files between two remote hosts). Support for anonymous or authenticated rsync daemons (ideal for mirroring) General Pipelining of file transfers to minimize latency costs Support for copying links, devices, owners, groups, and permissionsĮxclude and exclude-from options similar to GNU tarĪ CVS exclude mode for ignoring the same files that CVS would ignoreĬan use any transparent remote shell, including ssh or rsh Some of the additional features of rsync are: Indicates that the file's data does not need to be updated. Any changes in the other preserved attributes (as requested by options) are made on the destination file directly when the quick check Rsync finds files that need to be transferred using a lqquick checkrq algorithm (by default) that looks for files that have changed in size or in
Rsync is widely used for backups and mirroring and as an improved copy command for everyday use. It is famous for its delta-transfer algorithm, which reduces the amount of data sent over the network by sending only the differences between the source filesĪnd the existing files in the destination. It offers a large number of options that control every aspect of its behavior and permit very flexible specification of the set of files to be copied. It can copy locally, to/from another host over any remote shell, or to/from a remote rsyncĭaemon. Rsync is a fast and extraordinarily versatile file copying tool.
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