单项选择题
A.Issue the command： export EDITOR=/usr/bin/edit edit each user .profile to change the EDITOR value to /usr/bin/edit
B.Modify /.profile and change the EDITOR variable to /usr/bin/edit
C.Modify /etc/environment and add EDITOR=/usr/bin/edit export EDITOR
D.Modify /etc/security/defaults and change the EDITOR value to /usr/bin/edit
单项选择题 An administrator notices the / filesystem is 98% full. Which of the following files commonly grow rapidly（）
单项选择题 ToloadthebaseoperatingsystemonamachineusingNIM，whataretheminimumNIMresourcesthatmustbedefinedfortheinstallationtosucceed（）
单项选择题 An administrator has received complaints from users that an application is not available while other applications run. This application resides on an NFS mounted filesystem. Which of the following commands should be run as a reasonable first step to handle this problem（）