Linux Basics

多命令连接(数据处理)

  • free | grep fdf

后台执行：

  • using suffix ‘&’
  • start with nohop to igonore SIGNUP signal which is send when terminal closed

查看运行任务等

  • jobs
  • continue running jobs which paused by c+z using bg + %id_of_job
  • kill
  $ sleep 1000
  ^Z
  [1]  + 18653 suspended  sleep 1000

  $ nohup sleep 2000 &
  [2] 18745
  appending output to nohup.out

  $ jobs
  [1]  + suspended  sleep 1000
  [2]  - running    nohup sleep 2000

  $ bg %1
  [1]  - 18653 continued  sleep 1000

  $ jobs
  [1]  - running    sleep 1000
  [2]  + running    nohup sleep 2000

  $ kill -STOP %1
  [1]  + 18653 suspended (signal)  sleep 1000

  $ jobs
  [1]  + suspended (signal)  sleep 1000
  [2]  - running    nohup sleep 2000

  $ kill -SIGHUP %1
  [1]  + 18653 hangup     sleep 1000

  $ jobs
  [2]  + running    nohup sleep 2000

  $ kill -SIGHUP %2

  $ jobs
  [2]  + running    nohup sleep 2000

  $ kill %2
  [2]  + 18745 terminated  nohup sleep 2000

  $ jobs

version

  • (API change which is not back compatible).(API change which is back compatible).(No API change just patches)

参考文献

Written on April 25, 2022