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Re:Seven years later, I bought a new MacBook. For the first ... by ClumsyPilot on Tuesday June 02, 2020 @10:28AM (#23391372)
I renerally assume that all work can suddenly dissapear unless saved to disk, duew to powercut or app crashing or whatever else. Autosave, etc.

If you do have some long task like rendering that takes hours, thats of-course trickier.

Re:Seven years later, I bought a new MacBook. For the first ... by ubercow13 on Tuesday June 02, 2020 @10:49AM (#23391611)
Yes of course - saving work regularly is good. However apart from long-running tasks you can still lose things like the current state of your desktop and applications. Consider if you were working on something involved and had many applications running all with some complex state set up. You might not lose any data but you have lost the 'working memory' of what you were doing.