Code-Memo

Background and foreground jobs

Job control (interactive shells)

Run in background:

long_task &

List jobs:

jobs -l

Bring to foreground / send to background:

fg %1
bg %1

Stop / continue:

• Ctrl+Z stop (SIGTSTP)
• kill -CONT <pid> continue

nohup / disown

Keep running after logout:

nohup long_task >out.log 2>&1 &
disown

System services vs jobs

• Use job control for interactive tasks
• Use systemd services for long-lived daemons

Related

• Signals and process control
• systemd and systemctl