efisame: Next Boot, Same as This Boot

Thu 12/10/15   16:18  in  technical

Multi-booting is a widely-used practice that enables a user to select the OS best suited for their current task. For example, I dual-boot Windows and Linux on my laptop which allows me to get the best of both worlds on the same machine.

I’ve encountered a minor pain point in this setup however, largely due to the way I tend to use my machine: once I boot a particular OS I continue to use that same OS repeatedly and expect reboots/shutdown/startup to continue to use the last OS I booted. This is especially true of reboots, for example after installing system updates.

Traditionally I addressed this by setting the default boot to my most-frequently-used OS, but really that is just optimizing for the common case and not solving the issue. Additionally, I’ve recently started using Windows more and am annoyed having to remind my machine what OS I’m using.

So, today I sat down and put together a simple little utility to fix this properly once and for all.

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