moving:
to the end of the command: ctrl-e
to the begin of the command: ctrl-a
forward a word: alt-f
backword a word: alt-b
deleting:
from current cursor position to the end of word: ald-d
from current cursor position to the begin of word: clt-w
section "routes to emacs for newbies" and "doom is not the answer" make an important point that overly configurable systems have the problem that it's hard for ppl to help each other b/c each pair of ppl probably has a very different configuration