Each platform offers different backup tools, but the important question is whether a lost file can actually be restored. The choice should begin with the work a person actually needs to do. A polished demo cannot settle compatibility, support or migration costs.
Why this deserves attention
There is no universal winner among macOS, Windows and Linux. The useful comparison starts with required applications, hardware, accessibility, support and the cost of moving existing files. Vendor documentation can establish what a feature does; only a trial with your own tasks can show how well it fits your day. A cloud sync folder, a full system image and an external drive protect against different failures and should not be treated as identical. A short trial with required apps provides more evidence than a broad ranking of operating systems.
A practical way forward
Identify critical files, keep a separate copy and practise recovering a few representative items on a schedule. Try a real task end to end on the candidate system. Note the extra steps, missing apps and support questions while the old setup is still available.
Picture it in a real situation
A designer should try restoring a project folder with fonts and linked assets, not only a single finished PDF. A second person may use different software or peripherals. Repeat the trial with their essential work before applying the same recommendation to everyone.
What to avoid
Avoid waiting for a failed laptop to discover that the backup account is inaccessible or the archive is incomplete. Check current compatibility for the exact application and hardware model. Personal preference cannot substitute for a required program that will not run.
Takeaway
Test the required workflow before committing to a switch. Keep the old data available until recovery is proven.
Sources and further reading: Apple Mac User Guide; Microsoft Windows help; Ubuntu Desktop documentation.