For exceptional dummies like me
Guide itself
How to boot into other systems on a next reboot
Hibernate
Editing fstab (mounting filesystems on system start)
Restore flash drive to be useable after having Arch on it
Set up SSH
Set up a Wi-Fi hotspot
Using GRUB rescue shell (recovering with an invalid grub.cfg)
Building your own Arch ISO
This guide is not meant for any educational purpose and may not represent the correct way to install Arch Linux.
It is also mostly about MBR, not GPT -- i haven't used Linux with them yet.