I should say in Hardy you will be able to press escape to cancel a fsck. In gutsy, you can press Ctrl+C which I do NOT recommend, as it could DAMAGE your filesystem. There is also a file you can edit to cancel periodic fsck's. http://ajlcom.instantspot.com/blog/2007/7/27/How-to-change-FSCK-check-disk-frequency-in-Ubuntu
I should say in Hardy you will be able to press escape to cancel a fsck. In gutsy, you can press Ctrl+C which I do NOT recommend, as it could DAMAGE your filesystem. There is also a file you can edit to cancel periodic fsck's. http:// ajlcom. instantspot. com/blog/ 2007/7/ 27/How- to-change- FSCK-check- disk-frequency- in-Ubuntu