Linux系统的CPU和内存信息显示

1.显示内存信息
[root@localhost ~]# cat /proc/meminfo
MemTotal: 615424 kB
MemFree: 45500 kB
Buffers: 18276 kB
Cached: 315508 kB
SwapCached: 0 kB
Active: 318632 kB
Inactive: 197068 kB
HighTotal: 0 kB
HighFree: 0 kB
LowTotal: 615424 kB
LowFree: 45500 kB
SwapTotal: 917496 kB
SwapFree: 917496 kB
Dirty: 208 kB
Writeback: 0 kB
AnonPages: 181924 kB
Mapped: 63396 kB
Slab: 26924 kB
PageTables: 6628 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
CommitLimit: 1225208 kB
Committed_AS: 647068 kB
VmallocTotal: 229368 kB
VmallocUsed: 4980 kB
VmallocChunk: 224200 kB

2.显示CPU信息
[root@localhost ~]# cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 15
model : 4
model name : Intel(R) Celeron(R) CPU 2.66GHz
stepping : 9
cpu MHz : 2666.940
cache size : 256 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 5
wp : yes
flags : fpu tsc msr pae mce cx8 apic mtrr mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc up pni monitor ds_cpl tm2 cid cx16 xtpr lahf_lm
bogomips : 6671.25