https://www.google.com.my/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&ved=0CDgQFjAB&url=http%3A%2F%2Fwww.bhu.ac.in%2FComputerScience%2Fvivek%2Fos%2F1f-Moumina.pdf&ei=GY_5UNTLDszHrQf-gYGwCg&usg=AFQjCNEblZBZ3lmK2gt7PN7QouqzrK7iIg&sig2=7MkFic5FytN8L3jEyj9ZiA&bvm=bv.41248874,d.bmk

Muhammad Sahirin bin Hamzah BA11110252
Link di atas adalah link berkenaan dengan sejarah sistem pengoperasian/operasi(operating system).