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
Y. Chan, and D. Roth. Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies - Volume 1, page 551--560. Stroudsburg, PA, USA, Association for Computational Linguistics, (2011)
J. Turian, L. Ratinov, and Y. Bengio. Proceedings of the 48th Annual Meeting of the Association for Computational Linguistics, page 384--394. Stroudsburg, PA, USA, Association for Computational Linguistics, (2010)
I. Klapaftis, and S. Manandhar. Proceeding of the 2008 conference on ECAI 2008: 18th European Conference on Artificial Intelligence, page 298--302. Amsterdam, The Netherlands, The Netherlands, IOS Press, (2008)