.Linux查看当前操作系统版本信息  cat /proc/version

Linux version 2.6.-.el6.x86_64 (mockbuild@c1bm.rdu2.centos.org) (gcc version 4.4.  (Red Hat 4.4.-) (GCC) ) # SMP Tue Mar  :: UTC

.Linux查看版本当前操作系统内核信息 uname -a

Linux localhost.localdomain 2.4.- # Thu Mar  :: EST  i686 athlon i386 GNU/Linux

.linux查看版本当前操作系统发行信息 cat /etc/issue 或 cat /etc/centos-release

CentOS release 6.9 (Final)

.Linux查看cpu相关信息，包括型号、主频、内核信息等 cat /etc/cpuinfo

processor :

vendor_id : GenuineIntel

cpu family :

model :

model name : Intel(R) Core(TM) i5- CPU @ .30GHz

stepping :

microcode :

cpu MHz : 3292.277

cache size :  KB

physical id :

siblings :

core id :

cpu cores :

apicid :

initial apicid :

fpu : yes

fpu_exception : yes

cpuid level :

wp : yes

flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm ida arat epb xsaveopt pln pts dtherm tpr_shadow vnmi flexpriority ept vpid fsgsbase bmi1 avx2 smep bmi2 erms invpcid

bogomips : 6584.55

clflush size :

cache_alignment :

address sizes :  bits physical,  bits virtual