How can I tell if I'm running 32 bit or 64 bit?

Asked by pburns

Using Ubuntu 10.04. I need to know if I'm running 32 bit or 64 bit. My kernel number is 2.6.32.41. Is this 32 bit?

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actionparsnip
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Best actionparsnip (andrew-woodhead666) said :
#1

uname -m

i686 = 32bit
x86_64 = 64bit

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pburns (paulburnside) said :
#2

Thanks, that answers my question