My current position:
Nexus 5 Unlocked with TWRP Recovery
I've been wanting to "rom hop" for a bit, but I'd like to have a good, solid foundation to return to in case of catastrophic failure.
If this were just a normal flash drive, on my computer I'd just
sudo dd if=/dev/sdX of=~/my.img
However with a cell phone I'm not sure if it will work the same way.
I saw this answer linked while I typed this up, but it looks like the guy in that question specifically wants the
/data partition (though he might not have known it at first).
tl;dr: How do I make a dd image of my android phone from my linux laptop?