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linuxbashsessionpidgnu-screen

Getting the PID of just started screen session

how do you get the PID of a just created screen session like:

screen -dm -S test ping localhost

screen -ls
There is a screen on:

3310.test       (09/04/15 14:07:41)     (Detached)

I want 3310

I was looking at Bash: Getting PID of daemonized screen session but it didn't suit what I needed.

what I have been trying 

screen -dm -s test ping localhost | echo $!

but the pid was off by two or one

Solution

  • Try that:

    screen -dm -S test ping localhost & echo $!

    It starts the screen process in the background (screen with -d starts anyway in "detachted mode") and prints its PID.