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Determine total RAM installed on RHEl5 server

Posted on 2011-03-09
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What is the CLI command to determine RAM installed on a RHEl5 server?  Sorry, i'm still learning this Linux thing.  

I tried running free -t -g, but it only appears I have 15GB of RAM (doesn't make sense to me)
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Question by:KRZA30
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AriMc earned 2000 total points
ID: 35088878
Try:

   cat /proc/meminfo

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by:farzanj
ID: 35088901
cat /proc/meminfo
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by:woolmilkporc
ID: 35088916
dmidecode --type memory

wmp
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by:farzanj
ID: 35088918

cat /proc/meminfo
top
vmstat
dmidecode --type memory

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