@tony@conorh Arch don’t come with anything, you have to install it explicitely.
The base package does not include all tools from the live installation, so installing more packages may be necessary for a fully functional base system. To install other packages or package groups, append the names to the pacstrap command above (space separated) or use pacman to install them while chrooted into the new system. In particular, consider installing:
[…]
a console text editor (e.g nano) to allow editing configuration files from the console,
I mean, you could use bash, cat or even sed, that are in the base group, but I think that doesn’t count as an editor here ^^’