查看linux的操作系统和硬件cpu位数

linux 操作系统的位数查看

1) getconf LONG_BIT

2) cat /proc/cpuinfo

3) file /sbin/init
e.g. /sbin/init: ELF 64-bit LSB executable, AMD x86-64, version 1 (SYSV), for GNU/Linux 2.6.9, dynamically linked (uses shared libs), for GNU/Linux 2.6.9, stripped

查看cpu硬件架构

1) arch

2) uname -m

3) echo $HOSTTYPE

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