how to not wrap lines in VI?

Hi all,I am trying to read some log files that are very long per line. Is there way I can not wrap lines in VI so I can see line by line much more clear? Thanks.
[189 byte] By [digitsnake] at [2007-11-25 23:18:46]
# 1
well u can use some functions of editors like 'sed' (Stream EDitor) for fetching what u want to look.
amitsontakey at 2007-7-5 18:07:04 > top of Java-index,General,Talk to the Sysop...