单项选择题 A system administrator has an existing mksysb image, but would like to modify the image.data file on the mksysb before installing it on a system. Which of the following procedures is most appropriate to perform?（）

单项选择题 After crating a mksysb, what is the most important procedure that should be followed?（）

单项选择题 CDE is working. However, the customized PATH environment has not been implemented. Which of the following procedures should be performed to activate he implementation?（）