Notes on process group control for workspace separation

Alternative approach to full on containers(?) maybe just send SIGSTOP to ‘pause’ a set of processes by process group ID

setsid <pgid> for each workspace then kill -STOP <pgid> to pause it then kill -CONT <pgid> to unpause)

• TODO: clarify if setsid is session ID (as name suggests) rather than process group id?

• Good dive into process exploration with ps j -A

  • sending a negative process value to kill kills that process group ID rather than the process ID

• pkill which takes -g argument for process group ID