Linux查看CPU内核数的指令是（）
A.cat/proc/cpuinfo|grep"cpuheart"|uniq@cat/proc/cpuinfo|grep"cpuprocess"|uniq@cat/proc/cpuinfo|grep"cpucores"|uniq@cat/proc/cpuinfo|grep"cpustring"|uniq B.cat/proc/cpuinfo|grep"cpuprocess"|uniq@cat/proc/cpuinfo|grep"cpucores"|uniq@cat/proc/cpuinfo|grep"cpustring"|uniq C.cat/proc/cpuinfo|grep"cpucores"|uniq@cat/proc/cpuinfo|grep"cpustring"|uniq D.cat/proc/cpuinfo|grep"cpustring"|uniq正确答案C
