Linux fg bg jobs
2010 단어 linux
Linux fg bg , ( ) 。 , , ; 。
:
Ctrl+C
, SHELL
Ctrl+Z
, , SHELL
jobs
,
&
, &
fg N
N , %N
bg N
N
:
[maple@linux ~]$ ping baidu.com -a >/dev/null &
[1] 12879
[maple@linux ~]$ jobs
[1]+ Running ping baidu.com -a > /dev/null &
[maple@linux ~]$
[maple@linux ~]$ ping google.com -a >/dev/null
#Ctrl+Z
[2]+ Stopped ping google.com -a > /dev/null
[maple@linux ~]$ jobs
[1]- Running ping baidu.com -a > /dev/null &
[2]+ Stopped ping google.com -a > /dev/null
[maple@linux ~]$
[maple@linux ~]$ fg 1
ping baidu.com -a > /dev/null
#Ctrl+Z
[1]+ Stopped ping baidu.com -a > /dev/null
[maple@linux ~]$ jobs
[1]+ Stopped ping baidu.com -a > /dev/null
[2]- Stopped ping google.com -a > /dev/null
[maple@linux ~]$
[maple@linux ~]$ bg 2
[2]- ping google.com -a > /dev/null &
[maple@linux ~]$ jobs
[1]+ Stopped ping baidu.com -a > /dev/null
[2]- Running ping google.com -a > /dev/null &
[maple@linux ~]$
[maple@linux ~]$ %2
ping google.com -a > /dev/null
#Ctrl+Z
[2]+ Stopped ping google.com -a > /dev/null
[maple@linux ~]$ jobs
[1]- Stopped ping baidu.com -a > /dev/null
[2]+ Stopped ping google.com -a > /dev/null
[maple@linux ~]$
[maple@linux ~]$