单项选择题
A.chgrp
B.chuser
C.edit /etc/user
D.edit /etc/security/group
多项选择题 小企业可获得的商业信用多种多样，常见的有（）。
多项选择题 WhenWebSphereCommerce，WebSphereApplicationServer，thewebserverandthedatabaseserverarealllocatedonasinglemachine，whichofthefollowingstatementsareTRUE？（）
多项选择题 During recovery， you need to know if log sequence 11 is in the online redo logs， and if so， you need to know the names of the online redo logs so you can apply them during recovery. Which view or views would you use to determine this information？（）