      : respawn, wait, once, boot,
bootwait, ondemand, powerfail, powerwait, powerokwait, powerfailnow, ctrlaltdel,
kbrequest, off, ondemand, initdefault  sysinit.    
,        .   -
   wait  respawn.

  wait  init      .
   inittab    wait.  -
 wait     (   _)  
 ,      _,  
     init  .
 respawn  init  ,    ,  
  .   , init   
   inittab.  init    
inittab,   .   ,  respawn -
 init  .

 initdefault  init,      
(. . 11.1).     init   -
   .   initdefault   -
       inittab.
    (.  "  -
"  4)   inittab   mingetty,  
  ( ttyl    /dev/ttyl).  -
        
 mingetty. He        X, 
   .     mingetty  -
  /dev/tty2:

2:2345:respawn:/sbin/mingetty tty2
   mingetty   tty.
    man- inittab.  -
    " "  11.

    inittab.  
    inittab.    
        .    ,
    .      -
   " "  11.

/etc/motd.  " ",       
   .      -
    . ,    
,        .

/etc/mtab.    mount       
   .    (  -
 )  mount  umount    -
   mtab.    ,     . .
  "/etc/fstab".

 12. ,                                     451