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32 or 64 bits Kernel?

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linux-howto

http://ubuntuforums.org – Four commands on my pc: $ dpkg -l |grep linux-image Linux kernel image for version 3.4.0 on 32 bit x86 SM It means my Ubuntu kernel is 32 bits? $ uname -a Linux ny 3.4.0-030400-generic #201205210521 SMP Mon May 21 09:22:02 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux $ file /bin/ls /bin/ls: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.24, BuildID[sha1]=0x37cdd635587f519989044055623abff939002027, stripped $ file /sbin/init /sbin/init: ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically linked (uses shared libs), f (Hardware)