http://www.ihelpers.co.kr/programming/tipntech.php?CMD=view&TYPE=0&KEY=&SC=S&&CC=&PAGE=7&IDX=409
리눅스
cat /proc/cpuinfo|grep processor|wc -l
솔라리스
psrinfo -v|grep "Status of processor"|wc -l
IBM-AIX
lsdev -C|grep Process|wc –l
HP/UX
ioscan -C processor | grep processor | wc -l