标准输出的问题

sunyb

/etc/init.d/hotplug restart>file.txt得到的file.txt的内容如下：

Stopping hotplug subsystem:
   pci
   pci      [success]
   usb
   usb      [success]
   isapnp
   isapnp   [success]
   ide
   ide      [success]
   input
   input    [success]
   scsi
   scsi     [success]
done.
Starting hotplug subsystem:
   pci
   pci      [success]
   usb
   usb      [success]
   isapnp
   isapnp   [success]
   ide
   ide      [success]
   ide      [success]
   input
   input    [success]
   scsi
   scsi     [success]
   ide
   ide      [success]
   input
   input    [success]
   scsi
   scsi     [success]
done.

而/etc/init.d/hotplug restart的屏幕输出如下：
Stopping hotplug subsystem:
   pci
   pci      [success]
   usb
   usb      [success]
   isapnp
   isapnp   [success]
   ide
   ide      [success]
   input
   input    [success]
   scsi
   scsi     [success]
done.
Starting hotplug subsystem:
   pci
     intel-mch-agp: already loaded
     intel-agp: already loaded
     ignoring pci display device 00:02.0
     uhci-hcd: loaded successfully
     uhci-hcd: already loaded
     uhci-hcd: already loaded
     uhci-hcd: already loaded
     ehci-hcd: loaded successfully
     hw_random: can't be loaded
missing kernel or user mode driver hw_random
     pciehp: already loaded
     shpchp: already loaded
     piix: already loaded
     ata_piix: already loaded
     i810_audio: already loaded
     snd-intel8x0: already loaded
     8139cp: already loaded
     8139too: already loaded
   pci      [success]
   usb
     usbhid: already loaded
     usb-storage: already loaded
     pegasus: already loaded
   usb      [success]
   isapnp
     rtc: can't be loaded
     pcspkr: loaded sucessfully
     floppy: loaded sucessfully
     parport_pc: loaded sucessfully
   isapnp   [success]
   ide
   ide      [success]
   input
     evdev: already loaded
     evdev: already loaded
     mousedev: already loaded
     tsdev: already loaded
     evdev: already loaded
     evdev: already loaded
     joydev: already loaded
     mousedev: already loaded
     tsdev: already loaded
   input    [success]
   scsi
     sd_mod: loaded sucessfully (for disk)
   scsi     [success]
   ide
   ide      [success]
   input
     evdev: already loaded
     evdev: already loaded
     mousedev: already loaded
     tsdev: already loaded
     evdev: already loaded
     evdev: already loaded
     joydev: already loaded
     mousedev: already loaded
     tsdev: already loaded
   input    [success]
   scsi
     sd_mod: loaded sucessfully (for disk)
   scsi     [success]
done.

为什么文件里的内容和屏幕上的不一样呢，如何把屏幕上的输出直接输出到文件呢？
还有，系统起动的时候，起动的那些服务是在哪个脚本定义的？
谢谢！

超级用户

> for stdout
2> for stderr