单项选择题
A.Add the following line to /etc/environment： TMOUT=300
B.Add the following lines to /.profile TMOUT=5 export TMOUT
C.Run the following command： chuser -u ALL -a TIMEOUT=5M
D.Run the following command： chsec -u ALL -a TIMEOUT=600
单项选择题 A System p administrator needs to document system changes that have occurred recently. The company has a policy of making all possible changes via the smit interface. Which of the following files would show the commands that have been performed from within smit and their resulting output（）
单项选择题 Whichofthefollowingactionswillenable64-bitapplicationsonasystemwith32-bitkernel（）
单项选择题 A System p administrator has determined that a recently applied APAR needs to be removed. Which of the following installp options will remove the APAR（）