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inittab文件示例

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inittab文件示例

  inittab文件示例

  RHEL4

  #

  # inittab This file describes how the INIT process should set up

  # the system in a certain run-level.

  #

  # Author: Miquel van Smoorenburg,

  # Modified for RHS Linux by Marc Ewing and Donnie Barnes

  #

  # Default runlevel. 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)

  #

  //表示当前默认运行级别为5,启动系统进入图形化界面

  id:5:initdefault:

  //启动时自动执行/etc/rc.d/rc.sysinit脚本

  # System initialization.

  si::sysinit:/etc/rc.d/rc.sysinit

  l0:0:wait:/etc/rc.d/rc 0

  l1:1:wait:/etc/rc.d/rc 1

  l2:2:wait:/etc/rc.d/rc 2

  l3:3:wait:/etc/rc.d/rc 3

  l4:4:wait:/etc/rc.d/rc 4

  //当运行级别为5时,以5为参数运行/etc/rc.d/rc脚本,init将等待其返回

  l5:5:wait:/etc/rc.d/rc 5

  l6:6:wait:/etc/rc.d/rc 6

  //在启动过程中允许按[Ctrl+Alt+Del]重启系统

  # Trap CTRL-ALT-DELETE

  ca::ctrlaltdel:/sbin/shutdown -t3 -r now

  # When our UPS tells us power has failed, assume we have a few minutes

  # of power left. Schedule a shutdown for 2 minutes from now.

  # This does, of course, assume 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 "Power Restored; Shutdown Cancelled"

  //在运行级别2、3、4、5上以ttyX为参数执行/sbin/mingetty程序,打开ttyX终端用于用户登录,如果进程退出则再次运行mingetty程序

  # Run gettys in standard runlevels

  1:2345:respawn:/sbin/mingetty tty1

  2:2345:respawn:/sbin/mingetty tty2

  3:2345:respawn:/sbin/mingetty tty3

  4:2345:respawn:/sbin/mingetty tty4

  5:2345:respawn:/sbin/mingetty tty5

  6:2345:respawn:/sbin/mingetty tty6

  //在级别5上运行xdm程序,提供xdm图形方式登录界面,并在退出时重新执行

  # Run xdm in runlevel 5

  x:5:respawn:/etc/X11/prefdm -nodaemon

  LFS

  # Begin /etc/inittab

  id:3:initdefault:

  si::sysinit:/etc/rc.d/init.d/rc sysinit

  l0:0:wait:/etc/rc.d/init.d/rc 0

  l1:S1:wait:/etc/rc.d/init.d/rc 1

  l2:2:wait:/etc/rc.d/init.d/rc 2

  l3:3:wait:/etc/rc.d/init.d/rc 3

  l4:4:wait:/etc/rc.d/init.d/rc 4

  l5:5:wait:/etc/rc.d/init.d/rc 5

  l6:6:wait:/etc/rc.d/init.d/rc 6

  ca:12345:ctrlaltdel:/sbin/shutdown -t1 -a -r now

  su:S016:once:/sbin/sulogin

  1:2345:respawn:/sbin/agetty tty1 9600

  2:2345:respawn:/sbin/agetty tty2 9600

  3:2345:respawn:/sbin/agetty tty3 9600

  4:2345:respawn:/sbin/agetty tty4 9600

  5:2345:respawn:/sbin/agetty tty5 9600

  6:2345:respawn:/sbin/agetty tty6 9600

  # End /etc/inittab

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