[root@zcwyou ~]# lsblk -m
NAMESIZE OWNER GROUP MODE
sda40G root disk brw-rw—-
├─sda11G root disk brw-rw—-
└─sda239G root disk brw-rw—-
├─centos-root 37G root disk brw-rw—-
└─centos-swap 2G root disk brw-rw—-
sr0918M root cdrom brw-rw—-
安装lsb_release命令
[root@zcwyou ~]# yum -y install redhat-lsb-core
[root@zcwyou ~]# lsb_release
LSB Version: :core-4.1-amd64:core-4.1-noarch
[root@zcwyou ~]# lsb_release -a
LSB Version: :core-4.1-amd64:core-4.1-noarch
Distributor ID: CentOS
centos linux release 7.3.1611 (core) 。操作系统：centos linux release 7.0.1406。description: centos release 5.5 (final)。
Release: 7.6.1810
Codename: Core
安装lsusb命令
[root@zcwyou ~]# yum -y install usbutils
[root@zcwyou ~]# lsusb
[root@zcwyou ~]# lscpu
Architecture:x86_64
CPU op-mode(s):32-bit, 64-bit
Byte Order:Little Endian
CPU(s):2
On-line CPU(s) list: 0,1
Thread(s) per core: 1
Core(s) per socket: 2
座：1
NUMA 节点：1
厂商 ID：GenuineIntel
CPU 系列：6
型号：78
型号名称：Intel(R) Core(TM) i5-6300U CPU @ 2.40GHz
步进：3
CPU MHz：2495.999
BogoMIPS：4991.99
虚拟化：VT-x
超管理器厂商： VMware
虚拟化类型：完全
L1d 缓存：32K
L1i 缓存：32K
L2 缓存：256K
L3 缓存：3072K
NUMA 节点0 CPU： 0,1
Flags:fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss ht syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon nopl xtopology tsc_reliable nonstop_tsc eagerfpu pni pclmulqdq vmx ssse3 fma cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm abm 3dnowprefetch ssbd ibrs ibpb stibp tpr_shadow vnmi ept vpid fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 invpcid rtm mpx rdseed adx smap clflushopt xsaveopt xsavec arat spec_ctrl intel_stibp flush_l1d arch_capabilities
