第一部分、系统启动问题cfgmgr : configures devices and optionally installs device software into the systemlast : display all the previous logins and logoffs that still have entries in /var/adm/wtmp fileuptime : show how long the system has been up要在maintenance mode作 installing new or updated software and running diagnostic checksalog : trace the boot process and find out if sht went wrong,alog命令调用rc.boot脚本将启动信息导入/var/adm/ras/bootlog中# alog -L 显示定义在alog Database中的logs# alog -o -t