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The fsck utility automatically corrects innocuous incon - sistencies such as unreferenced inodes , too-large link counts in inodes , missing blocks in the free list , blocks appearing in the free list and also in files , or incorrect counts in the super block . Kris - June - check out the articles at http://www.teachers.net/4blocks/column.html Kelly - I would be interested also in addressing parts of the 4 block for the upper grades Kris - Anna-what grade level are you teaching ? One carries the headline " U2 and Us Two " and features Ferguson and Hart in cool sunglasses on one end of the board , with an image on the other end of U2 lead singer Bono , also in shades . I would also stress that a number of specific technical conservation measures involving closed and restricted areas have been implemented in recent years in the context of various recovery plans for cod and hake stocks in the Irish Sea , the Celtic Sea and also in waters off the north-west coast of Ireland . BRESLER : I think there are other precedents also in ways that the government has stimulated or incentivized the private sector to do research , particularly through tax credits or low interest loans .