单项选择题
A.A shell other than ksh is being used by the user.
B.The line 'export ENV=$HOME/.env' is missing from /etc/profile.
C.The line 'export ENV=$HOME/.env' is missing from the user's .profile.
D.The env_profile attribute is not defined for the user within /etc/security/user.
单项选择题 Which install method should be used to recycle an LPAR without retaining any information from its original configuration?（）
单项选择题 Which file should be edited to manually add a printer?（）
单项选择题 How should an administrator change the order in which host name lookup is performed so that it reads the host file before using DNS?（）