this post was submitted on 23 Oct 2026
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Linux

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Delegate a process to a file, for later reattachment? (feddit.uk)
submitted 1 week ago* (last edited 6 days ago) by tetris11@feddit.uk to c/linux@programming.dev
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Is such a think possible under Linux?

Yeah I know I can tmux / nohup, and I know that if I dig deep enough I can manually reattach some of the file descriptors under /proc to get a working terminal for that process again....

... but is there a tool that automatically does this somehow?

e.g.

run -d ./bash long-running.sh  >  proc.file
### later
run -a  proc.file

Edit: Y'all really know how to recreate the feeling of StackOverflow circa 2018

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[–] shiny_idea@aussie.zone 6 points 1 week ago

I think the tool "dtach" might fit the bill.

It's supposed to be a lightweight replacement for tmux/screen that only does the detach/reattach parts, and none of the terminal emulation stuff or windowing or any of that.