[R] run R under unix

[Zhen Pang]

Dear

I used to use R under windows. I always save my code in a txt file. When I 
want to run something, I just copy and paste to the windows.

I recently need to do a big simulation work which will cost 5 or 6 days. I 
am afraid the memory of windows can not cope with this situation.

I now want to run the code under unix. However, I do not know how to run 
this code in txt file under unix. I just log in to the unix and enter the R, 
what should I do next?

One more question is: if I log off my computer when R is running under unix 
(i.e., disconnect my computer from server), will I get the result when I log 
in my computer next time?

Thanks!

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