( &) (foreground) ( bg). .
yes:
# yes
( )
y , , .
Ctrl+Z. , . :
[1]+ Stopped yes
:
[1] - , . , shell PID ( / ).
+ - , . , , -. .
Stopped - , . , . Linux , , .
yes - , .
, , , , . :
bg [% ] ;
fg [% ] ;
kill [% ] .
[% ] , , . , , ( fg), Ctrl+C .
1
yes:
#yes
:
Ctrl+Z
:
[1]+ Stopped yes
, 1.
:
#bg %1
, :
#bg ( )
jobs:
[1]+ Running yes
2
3:
#kill %3
, :
[3]+ Stopped < >
, , , . , (.. ), :
|
|
#jobs
[3]+ Terminated yes
, . jobs 3 . , jobs . , .
, :
[ctrl-z] , . , , .
[fg] [% ] shell' . , , jobs, +.
[&] & , .
[bg] [% ] shell', . , , jobs, +.
[kill] [% ] . [% ] PID ( , , )
[jobs] shell ' , . , , .
[ctrl-c] . , , , ( ). .