linux下如何查看版本信息， 包括位數、版本信息以及CPU內核信息、CPU具體型號等等，整個CPU信息一目了然。
1、# uname －a （Linux查看版本當前操作系統內核信息）? ? ? ? ? ? ? ? ? （推薦學習：linux教程）
[hadoop@admin01?~]$?uname?-a Linux?admin01?2.6.32-358.el6.x86_64?#1?SMP?Fri?Feb?22?00:31:26?UTC?2013?x86_64?x86_64?x86_64?GNU/Linux
2、# cat /proc/version （Linux查看當前操作系統版本信息）
[hadoop@admin01?~]$?cat?/proc/version? Linux?version?2.6.32-358.el6.x86_64?(mockbuild@c6b8.bsys.dev.centos.org)?(gcc?version?4.4.7?20120313?(Red?Hat?4.4.7-3)?(GCC)?)?#1?SMP?Fri?Feb?22?00:31:26?UTC?2013
3、# cat /etc/issue 或cat /etc/redhat-release（Linux查看版本當前操作系統發行版信息）
[hadoop@admin01?~]$?cat?/etc/issue CentOS?release?6.4?(Final) Kernel?r?on?an?m [hadoop@admin01?~]$?cat?/etc/redhat-release CentOS?release?6.4?(Final)
4、# cat /proc/cpuinfo （Linux查看cpu相關信息，包括型號、主頻、內核信息等）
[hadoop@admin01?~]$?cat?/proc/cpuinfo processor :?0 vendor_id :?GenuineIntel cpu?family :?6 model :?60 model?name :?Intel(R)?Core(TM)?i5-4200H?CPU?@?2.80GHz stepping :?3 cpu?MHz :?2793.544 cache?size :?3072?KB physical?id :?0 siblings :?2 core?id :?0 cpu?cores :?2 apicid :?0 initial?apicid :?0 fpu :?yes fpu_exception :?yes cpuid?level :?13 wp :?yes flags :?fpu?vme?de?pse?tsc?msr?pae?mce?cx8?apic?sep?mtrr?pge?mca?cmov?pat?pse36?clflush?dts?mmx?fxsr?sse?sse2?ss?ht?syscall?nx?pdpe1gb?rdtscp?lm?constant_tsc?arch_perfmon?pebs?bts?xtopology?tsc_reliable?nonstop_tsc?aperfmperf?unfair_spinlock?pni?pclmulqdq?ssse3?fma?cx16?pcid?sse4_1?sse4_2?x2apic?movbe?popcnt?tsc_deadline_timer?aes?xsave?avx?f16c?rdrand?hypervisor?lahf_lm?abm?ida?arat?epb?xsaveopt?pln?pts?dts?fsgsbase?bmi1?avx2?smep?bmi2?invpcid bogomips :?5587.08 clflush?size :?64 cache_alignment :?64 address?sizes :?42?bits?physical,?48?bits?virtual power?management:
5、# getconf LONG_BIT （Linux查看版本說明當前CPU運行在32bit模式下， 但不代表CPU不支持64bit）
[hadoop@admin01?~]$??getconf?LONG_BIT 64
6、# lsb_release -a （查詢系統版本）
[root@Rocky?opt]#?lsb_release?-a LSB?Version: :core-4.1-amd64:core-4.1-noarch Distributor?ID: CentOS Description: CentOS?Linux?release?7.4.1708?(Core)? Release: 7.4.1708 Codename: Cor
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