On many Unix-based operating systems, rsync is a command line tool for transferring and synchronizing files on a computer, either between storage attached directly to the computer or between another computer located elsewhere on a network. The rsync command line tool has long been included on macOS, but Apple has provided the last version of…

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# /usr/bin/rsync --version
openrsync: protocol version 29
rsync version 2.6.9 compatible

The oklch() functional notation expresses a given color in the Oklab color space. oklch() is the cylindrical form of oklab(), using the same L axis, but with polar Chroma (C) and Hue (h) coordinates.