Originally Posted by
mahohmei
I've heard of CBP agents seizing incoming laptops for running Linux, since, well, if you're using Linux, you're up to no good. I hope nobody ever finds out that's what I'm using to write this post...
Before getting Global Entry, I had my laptop searched a couple of times on the way in. Luckily, they never inquired about what the GRUB menu was for, or the Linux partition -- not that I've ever had anything interesting to find there, but they'd have been completely lost trying to search it.