/(Root) bi etc hone Username Which command makes my active directory direct2? (Assume your active directory is bin.) OA) cd OB) cd home/username/direct2 Ocd ...-/directa OD) cd - direct2 E) cd ../username/direct2 (Root) bh etc. have home Username diets rotat A) Which command adds the contents of file a.txt to file b.bct. (Assume your active directory is direct1)? cpa.txt direct2/b.txt B) cp - ../a.txt-direct2fb.txt O cat>> /a.txt>>-/direct2/b.txt D) cat la.txt>>-/direct2/b.txt E) cat a.txt direct2/b.txt According to NRU page replacement algorithm when a page fault occurs the operating system divides all the pages into four dasses based on the current values of their Rand M bits: Cass 0: Page A Page B. Page Class 1: Page D. Page 5 Class 2: Page F. Page 6 , ) According to this dassification, if a page fault occurs what is the possibility of Page Cto be evicted from the memory? AWO o B) 425 o 09650 D) 13.3 El 10 Which parameter of grep command returns the result of lines not matching the search string? OAS o B) OD)