单项选择题
Which of the following commands will show the users that are logged on a system ?（）
A. id B. who C. whois D. lsuser
单项选择题 An Operator is in /var/tmp and needs to go to /var/adm. Which of the following is correct?（）
单项选择题 Which of the following procedures will allow an operator to access an LPAR console session?（）
单项选择题 Which command while in a vi session will change the currently selected word?（）
