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Thread: Cant use all ram

  1. #1
    Join Date
    Mar 2011
    Beans
    9

    Cant use all ram

    I use Ubuntu 11.04 64bit on a notebook with 4gb of ram. The problem is that I seem to use only 1.8 of 4 gb.

    the output of ~$ free -m is

    total used free shared buffers cached
    Mem: 1852 1678 173 0 144 802
    -/+ buffers/cache: 731 1120
    Swap: 5960 0 5960


    any help please?

  2. #2
    Join Date
    Sep 2007
    Location
    England
    Beans
    1,103

    Re: Cant use all ram

    are you sure you have 4GB of RAM? (and not 2GB)

    Some RAM is probably being siphoned off for an integrated graphics chip, but that won't be anywhere near 2GB

    *edit*
    Just FYI,
    you can query exactly what memory your machine has by using
    Code:
    sudo lshw -C memory
    Last edited by amauk; August 30th, 2011 at 04:53 PM.
    Code:
    while [ true ]; do CY=$(date +%y); CM=$(date +%m); if [ -n "$PY" ] && [ -n "$PM" ]; then echo "Ubuntu ${CY}.${CM} is the worst release ever"; echo "I'm going back to ${PY}.${PM}"; fi; PY="$CY"; PM="$CM"; sleep 182d; done

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