linux swap 파티션 추가 / 늘리기

link : http://kiaak.tistory.com/entry/LinuxSwap-%ED%8C%8C%ED%8B%B0%EC%85%98-%EC%B6%94%EA%B0%80%ED%95%98%EA%B8%B0

link2: http://www.ssovi.com/zb/view.php?id=pds&page=9&sn1=&divpage=1&sn=off&ss=on&sc=on&select_arrange=hit&desc=asc&no=200

link3 : http://faq.hostway.co.kr/?mid=Linux_ETC&page=8&document_srl=1443

link4 : http://blog.naver.com/PostView.nhn?blogId=teastful&logNo=140117252758