/proc

[root@localhost ~]# cat /proc/cpuinfo
processor       : 0
vendor_id       : GenuineIntel
cpu family      : 6
model           : 7
model name      : Pentium III (Katmai)
stepping        : 3
cpu MHz         : 551.252
cache size      : 512 KB
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 2
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 mmx fxsr sse
bogomips        : 1103.16
clflush size    : 32

[root@localhost ~]# cat /proc/meminfo
MemTotal:       320840 kB
MemFree:          7960 kB
Buffers:         24948 kB
Cached:         177264 kB
SwapCached:          4 kB
Active:         182972 kB
Inactive:        76300 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:       320840 kB
LowFree:          7960 kB
SwapTotal:      655352 kB
SwapFree:       655348 kB
Dirty:              12 kB
Writeback:           0 kB
AnonPages:       57076 kB
Mapped:          22472 kB
Slab:            38596 kB
SReclaimable:    27204 kB
SUnreclaim:      11392 kB
PageTables:       2020 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:    815772 kB
Committed_AS:   244088 kB
VmallocTotal:   704504 kB
VmallocUsed:      6756 kB
VmallocChunk:   696820 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     4096 kB
[root@localhost ~]#