Proc文件系統(tǒng)源代碼分析報告

用戶如果要查看系統(tǒng)信息，可以用cat命令。例如：
> cat /proc/interrupts
?????????? CPU0??????
? 0:??? 8728810????????? XT-PIC? timer
? 1:??????? 895????????? XT-PIC? keyboard
? 2:????????? 0????????? XT-PIC? cascade
? 3:???? 531695????????? XT-PIC? aha152x
? 4:??? 2014133????????? XT-PIC? serial
? 5:????? 44401????????? XT-PIC? pcnet_cs
? 8:????????? 2????????? XT-PIC? rtc
?11:????????? 8????????? XT-PIC? i82365
?12:???? 182918????????? XT-PIC? PS/2 Mouse
?13:????????? 1????????? XT-PIC? fpu
?14:??? 1232265????????? XT-PIC? ide0
?15:????????? 7????????? XT-PIC? ide1
NMI:????????? 0