单项选择题
A.rm /var/preserve/*
B.cat /dev/null > /var/adm/cron/log
C.> /var/adm/wtmp
D.rm /var/adm/ras/errlog
单项选择题 The company auditors require a System p administrator to archive detailed information from each of their systems. Which of the following commands will accomplish this task（）
单项选择题 A System p administrator is investigating a possible security breech and wants to review information about failed login attempts to the system. Which of the following commands will show this（）
单项选择题 Whichofthefollowingcommandswouldasystemadministratorusetoinitiatearescanofthe/etc/inittabfile（）