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阅读以下说明，回答问题。 [说明] Linux系统开机引导时首先启动内核，由内核检查和初始化硬件设备，载入设备的驱动程序模块，安装root文件系统，然后内核将启动一个名为init的进程。在init运行完成并启动其他必要的后续进程后，系统开始运行，引导过程结束。init进程启动时需要读取inittab配置文件，该文件确定init在系统启动和关机时的工作特性。典型的inittab文件内容见以下清单： # #inittab This file describes how the INIT pT ocess should set up #the system In a certain run-level． # #Default runleve1.The runlevels used by RHS are： #0-halt(Do NOT set initdefault to this) # 1-Single user mode # 2-Multiuser，without NFS(The same as 3，if you do not have networking) # 3-Full multiuser mode # 4-unused # 5-X11 # 6-reboot(Do NOT set initdefault to this) # id:5:initdefault: #System initialization． s1::sysinit:/etC/rc.d/rc.sysinit 10:0:wait:/etc/rc.d/rc 0 11:1:wait:/etc/to.d/rc 1 12:2:wait:/etc/rc.d/rc 2 13:3:wait:/etc/rc.d/rc 3 14:4:wait:/etc/rc.d/rc 4 15:5:wait:/etc/rc.d/rc 5 16:6:wait:/etc/rc.d/rc 6 #Trap CTRL-ALT-DELETE Ca::ctrlaltdel:/sbir/shutdown-t3-r now #When our UPS tells us power has falled,assume we have a few minutes #of power left. Schedule a shutdown for 2 minutes from now． #This does，of course，assunle you have powerd installed and your #UPS connected and working correctly． pf::powerfail:/sbin/shutdown-f-h+2 "Power Failure；System Shutting Down" #if power was restored before the shutdown kicked in，cancel it． Pr:12345:powerokwait:/sbin/shutdown-c "PowerRestored；Shutdo、vn Cancelled" #Run gettys in standard runlevels 1:2345:respawn:/sbin/mingetty tty1 2:2345:respawn：/sbin/mingetty tty2 3:2345:respawn：/sbin/mingetly tty3 4:2345:respawn：/sbin/mingetty tty4 5:2345:respawn：/sbin/mingetty try5 6:2345:respawn：/sbin/mingetty tty6 #Run xdm in runlevel 5 x:5:respawn:/etc/X11/prefdm -nodaemon Linix系统运行级别3工作在______状态。
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阅读以下说明，回答问题。 [说明] Linux系统开机引导时首先启动内核，由内核检查和初始化硬件设备，载入设备的驱动程序模块，安装root文件系统，然后内核将启动一个名为init的进程。在init运行完成并启动其他必要的后续进程后，系统开始运行，引导过程结束。init进程启动时需要读取inittab配置文件，该文件确定init在系统启动和关机时的工作特性。典型的inittab文件内容见以下清单： # #inittab This file describes how the INIT pT ocess should set up #the system In a certain run-level． # #Default runleve1.The runlevels used by RHS are： #0-halt(Do NOT set initdefault to this) # 1-Single user mode # 2-Multiuser，without NFS(The same as 3，if you do not have networking) # 3-Full multiuser mode # 4-unused # 5-X11 # 6-reboot(Do NOT set initdefault to this) # id:5:initdefault: #System initialization． s1::sysinit:/etC/rc.d/rc.sysinit 10:0:wait:/etc/rc.d/rc 0 11:1:wait:/etc/to.d/rc 1 12:2:wait:/etc/rc.d/rc 2 13:3:wait:/etc/rc.d/rc 3 14:4:wait:/etc/rc.d/rc 4 15:5:wait:/etc/rc.d/rc 5 16:6:wait:/etc/rc.d/rc 6 #Trap CTRL-ALT-DELETE Ca::ctrlaltdel:/sbir/shutdown-t3-r now #When our UPS tells us power has falled,assume we have a few minutes #of power left. Schedule a shutdown for 2 minutes from now． #This does，of course，assunle you have powerd installed and your #UPS connected and working correctly． pf::powerfail:/sbin/shutdown-f-h+2 "Power Failure；System Shutting Down" #if power was restored before the shutdown kicked in，cancel it． Pr:12345:powerokwait:/sbin/shutdown-c "PowerRestored；Shutdo、vn Cancelled" #Run gettys in standard runlevels 1:2345:respawn:/sbin/mingetty tty1 2:2345:respawn：/sbin/mingetty tty2 3:2345:respawn：/sbin/mingetly tty3 4:2345:respawn：/sbin/mingetty tty4 5:2345:respawn：/sbin/mingetty try5 6:2345:respawn：/sbin/mingetty tty6 #Run xdm in runlevel 5 x:5:respawn:/etc/X11/prefdm -nodaemon 启动init进程前，不需要经过______步骤。
男性患者，43岁，突发寒战、高热、黄疸，右上腹剧痛。 该患者的诊断为
男性患者，43岁，突发寒战、高热、黄疸，右上腹剧痛。 上述症状叫做
What a fine day! The sun (41) and everything (42) bright. Can you feel you (43) when you stand in the sun The sun gives heat from far away. It is about one hundred and fifty million kilometers (44) . The sun looks small because it is far from us, but it is (45) very huge. The earth moves around the sun. It (46) one year for the earth to go around the sun. And at the same time the earth (47) is moving around once every twenty-four hours. The sun gives us light. It keeps us (48) . It makes things (49) . Plants, animals and people need the sun. We can’t live (50) the sun.
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