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What is the Linux "Swap"

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  #1  
Old 03-01-2007
TechSpot Member
 
Location: Virginia
Member since: Nov 2006, 94 posts
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What is the Linux "Swap"

Hi everyone! What is the "Swap" partition? Why does it need it? Will 2gb be enough? Thanks!



--Daniel L
  #2  
Old 03-01-2007
twite's Avatar
TechSpot Paladin
 
Location: Tucson, AZ
Member since: Feb 2006, 1,082 posts
You need to explain what you are talking about.

Which linux distro are you using?

How big is the H.D that you are using?
  #3  
Old 03-01-2007
jobeard's Avatar
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Location: Southern Calif.
Member since: Apr 2005, 10,835 posts
Quote:
Originally Posted by daniel161
Hi everyone! What is the "Swap" partition? Why does it need it? Will 2gb be enough?
Unix/Linux Swap partition has the same usage
as the windows pagefile.sys; Pages of real memory are moved to/fro as needed.

The normal setup for a Swap partition is 2x real ram installed, but not more than
3x. You need a separate partition as it has its own formatting requirements
  #4  
Old 03-01-2007
TechSpot Member
 
Location: Virginia
Member since: Nov 2006, 94 posts
System specs
Thanks for the help!



Twite, it is a 15 GB HD partitioned at 13 and 2 GB. (Compaq Standard)
And the installed OS is UBUNTU.





--Daniel L
  #5  
Old 03-02-2007
Nodsu's Avatar
TechSpot Evangelist
 
Location: Estonia
Member since: Feb 2002, 9,431 posts
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You can also use a swapfile no problem if you don't want to waste disk space on a dedicated partition. The performance difference is nonexistent unless you plan on doing very heavy swapping. 2GB of swap is more than enough for any sane use.
  #6  
Old 03-02-2007
Phantasm66's Avatar
TechSpot Evangelist
 
Location: Glasgow, Scotland
Member since: Feb 2002, 6,504 posts
There's a wonderful invention called Google. You should try it.

http://www.bellevuelinux.org/swap_space.html
  #7  
Old 04-26-2007
Newcomer, in training
 
Member since: Apr 2007, 21 posts
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1 time you grfx-memory is often also fine, more the 2x is wasted..
google your Distributon Userforum !!
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