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1.#uname -a
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2.# uname -m
x86_64
3.# arch
x86_64
4.#file /bin/cat
/bin/cat: ELF 64-bit LSB executable, AMD x86-64, version 1 (SYSV), for GNU/Linux 2.4.0, dynamically linked (uses shared libs), stripped
5.²é¿´cpuÊǶàÉÙλµÄ
more /proc/cpuinfo
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$su - root
#file /sbin/init
/sbin/init: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV),
¼´ÊÇ32λµÄ linux, ÈçÊÇ64λµÄ, ÏÔʾµÄÊÇ 64-bit
6. getconf LONG_BIT


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