How to Verify if the CPU support 64-bit
2011-04-13 13:11
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How to Verify if the CPU support 64-bit
1.CPU supports x86_64
1) Intel:Xeon,Intel Core2, Intel Core 2 Quad,Intel Core i3,Intel Core i5 and Intel Core i7
2) AMD:Athlon 64,Athlon 64 FX,Athlon 64 X2,Turion 64,Turion 64 X2,Opteron,Sempron and Phenom
2.Verify Current OS Command
1)To verify if the current OS is 64-bit or not,please use these commands:
uname -r
getconf LONG_BIT
2)if it shows x86_64 or 64,the OS is 64 bit version
3.Verify x86_64 CPU Command
1)To verify if the CPU supports 64-bit or not,please use the command
cat /proc/cpuinfo|grep flags|grep lm
2)if it shows lm,the CPU supports 64-bit.
1.CPU supports x86_64
1) Intel:Xeon,Intel Core2, Intel Core 2 Quad,Intel Core i3,Intel Core i5 and Intel Core i7
2) AMD:Athlon 64,Athlon 64 FX,Athlon 64 X2,Turion 64,Turion 64 X2,Opteron,Sempron and Phenom
2.Verify Current OS Command
1)To verify if the current OS is 64-bit or not,please use these commands:
uname -r
getconf LONG_BIT
2)if it shows x86_64 or 64,the OS is 64 bit version
3.Verify x86_64 CPU Command
1)To verify if the CPU supports 64-bit or not,please use the command
cat /proc/cpuinfo|grep flags|grep lm
2)if it shows lm,the CPU supports 64-bit.
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