Linux process management, task management

View process

Processes in Linux can be viewed using the PS, pstree commands.

PS aux is generally used (note that there is no dash-; Although the addition does not affect execution, but will prompt), you can also use Ps-le, is to see all processes, the difference is to display the different information, master one can.

The monitoring process uses the top command, which is refreshed every 3 seconds by default.

Close process

The shutdown process can use the Kill, Pkill, killall commands.

Work management (background management)

Jobs command to view tasks performed in the background

command to follow the &, can be run in the background;

After the command executes, CTRL + Z will also be placed in the background, but will pause execution!!!

--however, any command that needs to interact with the user will be paused in the background. such as top, vi and so on.

Put to front desk: FG% Work number
Put in the background: BG% work number

However, the background process is limited to the current terminal, once the terminal is turned off, the background process will be turned off!!!

The reason is that the default kill sends Sighub to all terminals.

There are three solutions, the simplest is to use nohup boot, for example: Nohup command ...

Linux process management, task management