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Topic: Swap Partition, Is It ON??

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steings

Group: Members
Posts: 5
Joined: July 2006

Posted: Sep. 19 2008,13:03

I did a HD install of DSL 4.4 on my old laptop. I created 2 partitions:
/dev/hda1 = Swap 530 MB
/dev/hda2 = / 3.5 Gig

I have never seen the Swap monitor that is on the desktop move or indicate any activity. I only have 192 MD of Ram. Is there a way to check to make sure Swap is active? I typed the Free command and it says I have a Swap partition.

mikshaw

Group: Members
Posts: 4856
Joined: July 2004

Posted: Sep. 19 2008,13:07

Code Sample

cat /proc/swaps

if nothing is displayed, try

Code Sample

sudo swapon /dev/hda1

It's more likely that your swap is active, but just not needed yet. Unlike Windows, which uses its paging file constanly, Linux uses swap only when physical ram is limited (EDIT: at least that's my belief; not necessarily fact).

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http://www.tldp.org/LDP/intro-linux/html/index.html

steings

Group: Members
Posts: 5
Joined: July 2006

Posted: Sep. 20 2008,02:14

I ran the command and it showed my swap file. Thanks

stunix*com Offline

Group: Members
Posts: 64
Joined: July 2006

Posted: Sep. 21 2008,17:41

you can also use
sudo free
or
sudo swapon -s
to see the swap space status.

sankarv

Group: Members
Posts: 190
Joined: Mar. 2006

Posted: Sep. 30 2008,05:38

hi...

i was doing a huge copy operation from my hard disk to usb drive and since it was too slow (i found a difference with DSL linux speed(which is known for that) itself in fact ).

i checked my swap space with free command but swap was not at all utilized.

What may be the reason for that?

By the way i have 512 MB ram with celeron 1.7 ghz processor and 1.1 GB of swap space.

Also the data's total size is 4.0 GB.

--------------
Think before you do anything...

9 replies since Sep. 19 2008,13:03

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