

 . 18.3   ,      ssh.

 18.3  ssh
                  

-                 compression ()       . (   ssh
 -  ,  +  .)

-f                 not foreground             ssh     
()             . ,
     
,     . 
  -.

-L                                             
 .  -
     " 
 "    .

-1    login (  )          
 .

-n                 null                       ssh 
 /dev/null.   -
 ssh   .

-           option ()               ,  
  (.  "-
"  "scp:   -
    "    ).

-                 port ()                   ,  
 .  -
 host (.  "" 
"scp:     
  "    )  -
 ,   ,   -
 ,  
 .

-R                                             
 .  -
     " 
 "    .

-v                 verbose ()        

    . ,
 -   ,  .

-X                 11                       11.  -
 11    
(.  " 11"   "-
"  ),   -
  .

-                11                      11.

 18. OpenSSH:                            591