How to attach to some deattached process

olo

olo

Hi,

I started some task using CMD & (with & after). Now the task is in the background. Can I attach to it using some command? Is it possible to attach this task to a file from/to which I would be able to read and write like with a device file? Can I write and read to/from some file under /proc (after mounting procfs of course)? I know about screen and tmux but it's not that what I am looking for.
 
And to extend on @DutchDaemon; another nice trick: if you have a process active which you want to leave running in the background you can press Control-Z to pause ("Halt") the process. After which bg will, well, put the process into the background.

Isn't Unix cool? :)
 
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