复习, 终端程序 打开, 关闭, 隐藏, 显示,

dengwo@dengwo-ThinkPad-Edge-E530:~$ audacious &
[1] 3308
#运行了播放器,但终端可以继续敲命令..
dengwo@dengwo-ThinkPad-Edge-E530:/$ vim shishi.txt

[2]+  Stopped                 vim shishi.txt

#用记事本编辑一个文本, 后carl+z, 暂停回到终端..

dengwo@dengwo-ThinkPad-Edge-E530:/$ okular 
^Z
[3]+  Stopped                 okular

#同上, 打开一个阅读器,回到终端, 后carl+z, 暂停回到终端..

dengwo@dengwo-ThinkPad-Edge-E530:/$ jobs -l
[1]   3308 Running                 audacious &  (wd: ~)
[2]-  3321 Stopped                 vim shishi.txt
[3]+  3339 Stopped                 okular
#查看运行的程序, 只有[1]在播放音乐,[2,3]暂停中...要显示[1,2,3]任意一个, 命令+排行, 注意[3]加号,表示命令默认执行.
 
dengwo@dengwo-ThinkPad-Edge-E530:/$ fg 1
audacious	(wd: ~)
^Z
[1]+  Stopped                 audacious  (wd: ~)
(wd now: /)
#回到播放器, 并暂停播放..

dengwo@dengwo-ThinkPad-Edge-E530:/$ jobs -l
[1]+  3308 Stopped                 audacious  (wd: ~)
[2]   3321 Stopped                 vim shishi.txt
[3]-  3339 Stopped                 okular

#从新查看, 现在播放器也暂停了..

dengwo@dengwo-ThinkPad-Edge-E530:/$ kill 3339
dengwo@dengwo-ThinkPad-Edge-E530:/$ jobs -l
[1]+  3308 Stopped                 audacious  (wd: ~)
[2]   3321 Stopped                 vim shishi.txt
[3]-  3339 Stopped                 okular
dengwo@dengwo-ThinkPad-Edge-E530:/$
#关闭阅读器, 后从新查看, 但是依然显示,(*我也不知道为什么.可能是桌面跟终端分离太大吧) 但是把阅读器调出来时它就终止..如下:

dengwo@dengwo-ThinkPad-Edge-E530:/$ fg 3
okular
Terminated
dengwo@dengwo-ThinkPad-Edge-E530:/$ jobs -l
[1]+  3308 Stopped                 audacious  (wd: ~)
[2]   3321 Stopped                 vim shishi.txt

#执行 fg 3 时任务栏的tab就消失了..

dengwo@dengwo-ThinkPad-Edge-E530:/$ bg 1
[1]+ audacious &	(wd: ~)

#从新播放音乐, 不影响终端继续 命令, 类似 程序 & 方式启动.


dengwo@dengwo-ThinkPad-Edge-E530:/$ jobs -l
[1]-  3308 Running                 audacious &  (wd: ~)
[2]+  3321 Stopped                 vim shishi.txt
dengwo@dengwo-ThinkPad-Edge-E530:/$ fg 2







#从新查看, 命令fg 2, 便可以继续写记事本了..音乐依然播放,(注:音乐播放器打开时是要鼠标点播放列表的,或回车一下默认上次歌曲..)