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It was first introduced in Mac OS X 10.5 Leopard, which was released in October 2007 and incrementally refined in subsequent releases of macOS. Time Machine was revamped in macOS 11 Big Sur to support APFS, thereby enabling "faster, more compact, and more reliable backups" than were possible previously. [1] [2]
macOS Catalina (version 10.15) is the sixteenth major release of macOS, Apple Inc.'s desktop operating system for Macintosh computers. It is the successor to macOS Mojave and was announced at WWDC 2019 on June 3, 2019 and released to the public on October 7, 2019.
The history of macOS, Apple's current Mac operating system formerly named Mac OS X until 2011 and then OS X until 2016, began with the company's project to replace its "classic" Mac OS. That system, up to and including its final release Mac OS 9 , was a direct descendant of the operating system Apple had used in its Mac computers since their ...
This feature requires OS X 10.5.2 Leopard or greater on the client computers. The backup software is Apple's Time Machine, which, by default, makes hourly images of the files that are being changed, and condenses backup images as they become older, to save space. Even when using an 802.11n wireless or Gigabit Ethernet connection, the initial ...
Mac OS X versions were named after big cats, with the exception of Mac OS X Server 1.0 and the original public beta, from Mac OS X 10.0 until OS X 10.9 Mavericks, when Apple switched to using California locations. Prior to its release, version 10.0 was code named internally at Apple as "Cheetah", and Mac OS X 10.1 was
Time Machine, the backup mechanism introduced back in Mac OS X 10.5 Leopard, has been overhauled to utilize the APFS file system (introduced in MacOS High Sierra) instead of the outdated HFS+. Specifically, the new version of Time Machine makes use of APFS's snapshot technology.
[15] With the release of ... Time Machine is a backup mechanism first introduced in Mac OS X 10.5 Leopard. It creates incremental backups of files that can be ...
In Mac OS X Leopard 10.5, directory hard-linking was added as a fundamental part of Time Machine. In Mac OS X Snow Leopard 10.6, HFS+ compression was added using Deflate (Zlib). In open source and some other areas this is referred to as AppleFSCompression or decmpfs. Compressed data may be stored in either an extended attribute or the resource ...