首先列出所有的快照记录

JokerdeMacBook-Pro:~ joker$ tmutil listlocalsnapshots /com.apple.TimeMachine.2018-04-14-155705com.apple.TimeMachine.2018-04-14-222828com.apple.TimeMachine.2018-04-14-232758com.apple.TimeMachine.2018-04-15-210634com.apple.TimeMachine.2018-04-15-220449复制代码

通过指令瘦身快照（执行结果没有提示任何快照被瘦身，意味着现在的快照处于一个占用空间较小的水平）

JokerdeMacBook-Pro:~ joker$ tmutil thinlocalsnapshots /Thinned local snapshots:com.apple.TimeMachine.2018-04-14-222828com.apple.TimeMachine.2018-04-14-232758复制代码

删除快照

JokerdeMacBook-Pro:~ joker$ tmutil deletelocalsnapshots 2018-04-14-155705Deleted local snapshot '2018-04-14-155705'复制代码