linux如何将一个正在运行的进程转入到后台执行

n大橘为重n

于 2021-03-11 13:31:00 发布

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分类专栏： Linux shell 文章标签： linux shell

本文链接：https://blog.youkuaiyun.com/buknow/article/details/114662319

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本文介绍如何将前台进程转为后台运行，并确保即使在退出shell后进程仍能继续执行的方法。通过使用组合键Ctrl+Z暂停当前进程，接着利用bg命令将其转入后台运行，最后使用disown -h命令确保进程不会因终端关闭而被终止。

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要求：将一个正在当前前台执行的进程转入后台执行，并且要求退出shell后依然保持不退出进程。

ctrl+zto stop (pause) the program and get back to the shell
bgto run it in the background
disown -h [job-spec]where [job-spec] is the job number (like%1for the first running job; find about your number with thejobscommand) so that the job isn't killed when the terminal closes

操作如下：

[root@dispatch_19 gcc-4.8.1]# cd /home/machen/vv_cold_algorithm/movie_score_builder && /usr/local/bin/python view_record_manage.py save 1
13-12-28 13:50:49 ./logs/view_record.log INFO start calculate delta data
13-12-28 13:50:49 ./logs/view_record.log INFO hdfs:/data/dm/recommend/recom_yvv/20131227
first fresh...

ctrl+z
[1]+ Stopped /usr/local/bin/python view_record_manage.py save 1
[root@dispatch_19 movie_score_builder]#bg
[1]+ /usr/local/bin/python view_record_manage.py save 1 &
[root@dispatch_19 movie_score_builder]#jobs
[1]+ Running /usr/local/bin/python view_record_manage.py save 1 &
[root@dispatch_19 movie_score_builder]# disown -h %1