'''dmidecode -q''': Show the system hardware information.<br>
<pre>[root@localhost ~]# dmidecode -q
</pre>
'''hdparm -i /dev/hda''': Show harddisk information.
<br>
'''hdparm -tT /dev/sda''': Do a read test.
<br>
'''cat /proc/cpuinfo''': Show CPU information.
<pre>[root@localhost ~]# cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 58
model name : Intel(R) Core(TM) i7-3520M CPU @ 2.90GHz
stepping : 9
microcode : 0x15
cpu MHz : 2891.250
cache size : 4096 KB
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 syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts nopl xtopology tsc_reliable nonstop_tsc aperfmperf eagerfpu pni pclmulqdq ssse3 cx16 pcid sse4_1 sse4_2 x2apic popcnt aes xsave avx f16c rdrand hypervisor lahf_lm ida arat epb xsaveopt pln pts dtherm fsgsbase smep
bogomips : 5782.50
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management:
processor<span class="Apple-tab-span" style="white-space:pre"> </span>: 0 vendor_id<span class="Apple-tab-span" style="white-space:pre"> </span>: GenuineIntel cpu family<span class="Apple-tab-span" style="white-space:pre"> </span>: 6 model<span class="Apple-tab-span" style="white-space:pre"> </span>: 58 model name<span class="Apple-tab-span" style="white-space:pre"> </span>: Intel(R) Core(TM) i7-3520M CPU @ 2.90GHz stepping<span class="Apple-tab-span" style="white-space:pre"> </span>: 9 microcode<span class="Apple-tab-span" style="white-space:pre"> </span>: 0x15 cpu MHz<span class="Apple-tab-span" style="white-space:pre"> </span>: 2891.250 cache size<span class="Apple-tab-span" style="white-space:pre"> </span>: 4096 KB fpu<span class="Apple-tab-span" style="white-space:pre"> </span>: yes fpu_exception<span class="Apple-tab-span" style="white-space:pre"> </span>: yes cpuid level<span class="Apple-tab-span" style="white-space:pre"> </span>: 13 wp<span class="Apple-tab-span" style="white-space:pre"> </span>: yes flags<span class="Apple-tab-span" style="white-space:pre"> </span>: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts mmx fxsr sse sse2 ss syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts nopl xtopology tsc_reliable nonstop_tsc aperfmperf eagerfpu pni pclmulqdq ssse3 cx16 pcid sse4_1 sse4_2 x2apic popcnt aes xsave avx f16c rdrand hypervisor lahf_lm ida arat epb xsaveopt pln pts dtherm fsgsbase smep bogomips<span class="Apple-tab-span" style="white-space:pre"> </span>: 5782.50 clflush size<span class="Apple-tab-span" style="white-space:pre"> </span>: 64 cache_alignment<span class="Apple-tab-span" style="white-space:pre"> </span>: 64 address sizes<span class="Apple-tab-span" style="white-space:pre"> </span> power management:</pre><div><br></div>
'''cat /proc/interrupts''': Show IRQ information.