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5 reasons to switch to an immutable Linux distro today - and which to try first
Immutable Linux distros are getting more popular. Here's why they matter.
Essentially, an immutable distribution is one that has certain crucial directories set in read-only mode so they can't be changed. If you want a more in-depth look at what an immutable Linux distribution is, make sure to read all about them in this piece by my esteemed colleague, Steven Vaughan-Nichols. If something breaks, you can't count on the system to produce a running image that can be applied when things go wrong.
Or read this on ZDNet