i can't read large NETCDF file like CRU

i use library(ncdf) to read this file as follow 
library(ncdf)
sst.nc = open.ncdf(title)
lonall = get.var.ncdf(sst.nc,'lon')
latall = get.var.ncdf(sst.nc,'lat')
precip = get.var.ncdf(sst.nc,'pre')
close(sst.nc)
if i use this method my pc freeze and not respond until i restart it is
there 

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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.

Hi Tony,

We are sympathetic to your cause, but without more information helping
you is really hard. Please consult the posting guide:

PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.

for some more hints.

regards,
Paul

ps This question might be more suitable for R-sig-geo
ps2 You could use the raster package to analyse the data on the harddrive (not reading all data in from disk)

Paul Hiemstra, Ph.D.
Global Climate Division
Royal Netherlands Meteorological Institute (KNMI)
Wilhelminalaan 10 | 3732 GK | De Bilt | Kamer B 3.39
P.O. Box 201 | 3730 AE | De Bilt
tel: +31 30 2206 494

http://intamap.geo.uu.nl/~paul
http://nl.linkedin.com/pub/paul-hiemstra/20/30b/770